UBmatrix Calculation Trace Report
Line Concept Weight Decimals Precision Reported Calculated Source Message
1 Extended Link [ http://www.alcoa.com/taxonomy/role/statement/IMetrix_StatementOfOtherComprehensiveIncome ]
2 Context eol_PE10803---0910-Q0007_STD_p6m_20090630_0 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 273000000 273,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] -951000000 -951,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent 1.0 -6 [4] 1224000000 1,224,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent -1.0 -6 [3] -134000000 -134,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 798000000 798,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 429000000 429,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [2] 49000000 49,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [3] -380000000 -380,000,000 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent 1.0 -6 [3] -137000000 -137,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [2] -80000000 -80,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [2] 57000000 57,000,000 Instance
aa:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest -6 [3] 180000000 180,000,000 Instance OK
aa:NetIncomeLossAttributableToNoncontrollingInterest 1.0 -6 [1] 5000000 5,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 175000000 175,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [1] -2000000 -2,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 173000000 173,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest -6 [3] 453000000 453,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] -946000000 -946,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [4] 1399000000 1,399,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 136000000 136,000,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 971000000 971,000,000 Instance
us-gaap:OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 429000000 429,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -6 [2] 49000000 49,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -6 [3] -380000000 -380,000,000 Instance
us-gaap:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] -137000000 -137,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [2] -80000000 -80,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [2] 57000000 57,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p6m_20080630_0 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [4] 1326000000 1,326,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 849000000 849,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent 1.0 -6 [3] 477000000 477,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent -1.0 -6 [2] 89000000 89,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 774000000 774,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [1] 9000000 9,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [1] 9000000 9,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent 1.0 -6 [3] -217000000 -217,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [3] -296000000 -296,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [2] -79000000 -79,000,000 Instance
aa:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest -6 [3] 286000000 286,000,000 Instance OK
aa:NetIncomeLossAttributableToNoncontrollingInterest 1.0 -6 [3] 137000000 137,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 149000000 149,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 147000000 147,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [1] 2000000 2,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [1] -1000000 -1,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [1] 1000000 1,000,000 Instance
aa:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest -6 [4] 1612000000 1,612,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] 986000000 986,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 626000000 626,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [2] -89000000 -89,000,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 921000000 921,000,000 Instance
us-gaap:OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 9000000 9,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -6 [1] 9000000 9,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] -215000000 -215,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [3] -295000000 -295,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [2] -80000000 -80,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20090630_0 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 357000000 357,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] -454000000 -454,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent 1.0 -6 [3] 811000000 811,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent -1.0 -6 [3] -108000000 -108,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 885000000 885,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [1] 1000000 1,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [1] 1000000 1,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent 1.0 -6 [3] -183000000 -183,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [3] -180000000 -180,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [1] 3000000 3,000,000 Instance
aa:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest -6 [3] 173000000 173,000,000 Instance OK
aa:NetIncomeLossAttributableToNoncontrollingInterest 1.0 -6 [1] -5000000 -5,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 178000000 178,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [1] -1000000 -1,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 177000000 177,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest -6 [3] 530000000 530,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] -459000000 -459,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 989000000 989,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 109000000 109,000,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [4] 1062000000 1,062,000,000 Instance
us-gaap:OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] 1000000 1,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] -183000000 -183,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [3] -180000000 -180,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [1] 3000000 3,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20080630_0 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:ComprehensiveIncomeNetOfTax -6 [3] 875000000 875,000,000 Instance OK
us-gaap:NetIncomeLoss 1.0 -6 [3] 546000000 546,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent 1.0 -6 [3] 329000000 329,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent -1.0 -6 [2] -22000000 -22,000,000 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 208000000 208,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent 1.0 -6 [3] 100000000 100,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [3] 100000000 100,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent 1.0 -6 [1] -1000000 -1,000,000 Instance OK
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToParent 1.0 -6 [2] -39000000 -39,000,000 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToParent -1.0 -6 [2] -38000000 -38,000,000 Instance
aa:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest -6 [3] 115000000 115,000,000 Instance OK
aa:NetIncomeLossAttributableToNoncontrollingInterest 1.0 -6 [2] 70000000 70,000,000 Instance
aa:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [2] 45000000 45,000,000 Instance OK
aa:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [2] 45000000 45,000,000 Instance
aa:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance Inconsistency found, calculated value is 0
aa:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest -1.0 -6 [0] 0 0 Instance
aa:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToNoncontrollingInterest 1.0 -6 [0] 0 0 Instance
aa:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest -6 [3] 990000000 990,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] 616000000 616,000,000 Instance
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 374000000 374,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [2] 22000000 22,000,000 Instance
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 253000000 253,000,000 Instance
us-gaap:OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease 1.0 -6 [3] 100000000 100,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax 1.0 -6 [3] 100000000 100,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax -1.0 -6 [0] 0 0 Instance
us-gaap:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease 1.0 -6 [1] -1000000 -1,000,000 Instance OK
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax 1.0 -6 [2] -39000000 -39,000,000 Instance
us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax -1.0 -6 [2] -38000000 -38,000,000 Instance


1 Extended Link [ http://www.alcoa.com/taxonomy/role/statement/IMetrix_StatementOfFinancialPositionClassified ]
2 Context eol_PE10803---0910-Q0007_STD_Inst_20081231_0 [ 2008-12-31 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 37822000000 37,822,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 -6 [4] 8150000000 8,150,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [3] 762000000 762,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [4] 1883000000 1,883,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [3] 708000000 708,000,000 Instance
us-gaap:InventoryNet 1.0 -6 [4] 3238000000 3,238,000,000 Instance
us-gaap:HedgingAssetsCurrent 1.0 -6 [3] 586000000 586,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [3] 973000000 973,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 17455000000 17,455,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentGross 1.0 -6 [5] 31301000000 31,301,000,000 Instance
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment -1.0 -6 [5] 13846000000 13,846,000,000 Instance
us-gaap:Goodwill 1.0 -6 [4] 4981000000 4,981,000,000 Instance
aa:InvestmentsNoncurrent 1.0 -6 [4] 1915000000 1,915,000,000 Instance
us-gaap:DeferredTaxAssetsNetNoncurrent 1.0 -6 [4] 2688000000 2,688,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [4] 2386000000 2,386,000,000 Instance
aa:AssetsHeldForSale 1.0 -6 [3] 247000000 247,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 37822000000 37,822,000,000 Instance OK
us-gaap:Liabilities 1.0 -6 [5] 23490000000 23,490,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 7279000000 7,279,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 -6 [3] 478000000 478,000,000 Instance
us-gaap:CommercialPaperCurrent 1.0 -6 [4] 1535000000 1,535,000,000 Instance
us-gaap:AccountsPayable 1.0 -6 [4] 2518000000 2,518,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [3] 866000000 866,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [3] 378000000 378,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [3] 461000000 461,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 987000000 987,000,000 Instance
us-gaap:LongTermDebtCurrent 1.0 -6 [2] 56000000 56,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 8509000000 8,509,000,000 Instance
us-gaap:DefinedBenefitPensionPlanNoncurrentLiabilities 1.0 -6 [4] 2941000000 2,941,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanNoncurrentLiabilities 1.0 -6 [4] 2730000000 2,730,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [4] 1580000000 1,580,000,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -6 [3] 321000000 321,000,000 Instance
aa:LiabilitiesOfOperationsHeldForSale 1.0 -6 [3] 130000000 130,000,000 Instance
aa:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [5] 14332000000 14,332,000,000 Instance OK
us-gaap:StockholdersEquity 1.0 -6 [5] 11735000000 11,735,000,000 Instance OK
us-gaap:PreferredStockValue 1.0 -6 [2] 55000000 55,000,000 Instance
us-gaap:CommonStockValue 1.0 -6 [3] 925000000 925,000,000 Instance
us-gaap:AdditionalPaidInCapital 1.0 -6 [4] 5850000000 5,850,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -6 [5] 12400000000 12,400,000,000 Instance
us-gaap:TreasuryStockValue -1.0 -6 [4] 4326000000 4,326,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -6 [4] -3169000000 -3,169,000,000 Instance
us-gaap:MinorityInterest 1.0 -6 [4] 2597000000 2,597,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_Inst_20090630_0 [ 2009-06-30 - ]
c-equal
3 Unit USD
u-equal
us-gaap:Assets -6 [5] 37648000000 37,648,000,000 Instance OK
us-gaap:AssetsCurrent 1.0 -6 [4] 7459000000 7,459,000,000 Instance OK
us-gaap:CashAndCashEquivalentsAtCarryingValue 1.0 -6 [3] 851000000 851,000,000 Instance
us-gaap:AccountsReceivableNetCurrent 1.0 -6 [4] 1611000000 1,611,000,000 Instance
us-gaap:OtherReceivables 1.0 -6 [4] 1246000000 1,246,000,000 Instance
us-gaap:InventoryNet 1.0 -6 [4] 2493000000 2,493,000,000 Instance
us-gaap:HedgingAssetsCurrent 1.0 -6 [3] 199000000 199,000,000 Instance
us-gaap:OtherAssetsCurrent 1.0 -6 [4] 1059000000 1,059,000,000 Instance
us-gaap:PropertyPlantAndEquipmentNet 1.0 -6 [5] 19033000000 19,033,000,000 Instance OK
us-gaap:PropertyPlantAndEquipmentGross 1.0 -6 [5] 33844000000 33,844,000,000 Instance
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment -1.0 -6 [5] 14811000000 14,811,000,000 Instance
us-gaap:Goodwill 1.0 -6 [4] 5032000000 5,032,000,000 Instance
aa:InvestmentsNoncurrent 1.0 -6 [3] 850000000 850,000,000 Instance
us-gaap:DeferredTaxAssetsNetNoncurrent 1.0 -6 [4] 2572000000 2,572,000,000 Instance
us-gaap:OtherAssetsNoncurrent 1.0 -6 [4] 2526000000 2,526,000,000 Instance
aa:AssetsHeldForSale 1.0 -6 [3] 176000000 176,000,000 Instance
us-gaap:LiabilitiesAndStockholdersEquity -6 [5] 37648000000 37,648,000,000 Instance OK
us-gaap:Liabilities 1.0 -6 [5] 22067000000 22,067,000,000 Instance OK
us-gaap:LiabilitiesCurrent 1.0 -6 [4] 5055000000 5,055,000,000 Instance OK
us-gaap:ShortTermBorrowings 1.0 -6 [3] 663000000 663,000,000 Instance
us-gaap:CommercialPaperCurrent 1.0 -6 [3] 100000000 100,000,000 Instance
us-gaap:AccountsPayable 1.0 -6 [4] 1838000000 1,838,000,000 Instance
us-gaap:EmployeeRelatedLiabilities 1.0 -6 [3] 825000000 825,000,000 Instance
us-gaap:TaxesPayable 1.0 -6 [3] 363000000 363,000,000 Instance
us-gaap:DerivativeLiabilitiesCurrent 1.0 -6 [3] 199000000 199,000,000 Instance
us-gaap:OtherLiabilitiesCurrent 1.0 -6 [3] 952000000 952,000,000 Instance
us-gaap:LongTermDebtCurrent 1.0 -6 [3] 115000000 115,000,000 Instance
us-gaap:LongTermDebtNoncurrent 1.0 -6 [4] 9387000000 9,387,000,000 Instance
us-gaap:DefinedBenefitPensionPlanNoncurrentLiabilities 1.0 -6 [4] 2792000000 2,792,000,000 Instance
us-gaap:OtherPostretirementDefinedBenefitPlanNoncurrentLiabilities 1.0 -6 [4] 2723000000 2,723,000,000 Instance
us-gaap:OtherLiabilitiesNoncurrent 1.0 -6 [4] 1659000000 1,659,000,000 Instance
us-gaap:DeferredTaxLiabilitiesNoncurrent 1.0 -6 [3] 387000000 387,000,000 Instance
aa:LiabilitiesOfOperationsHeldForSale 1.0 -6 [2] 64000000 64,000,000 Instance
aa:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [5] 15581000000 15,581,000,000 Instance OK
us-gaap:StockholdersEquity 1.0 -6 [5] 12817000000 12,817,000,000 Instance OK
us-gaap:PreferredStockValue 1.0 -6 [2] 55000000 55,000,000 Instance
us-gaap:CommonStockValue 1.0 -6 [4] 1097000000 1,097,000,000 Instance
us-gaap:AdditionalPaidInCapital 1.0 -6 [4] 6601000000 6,601,000,000 Instance
us-gaap:RetainedEarningsAccumulatedDeficit 1.0 -6 [5] 11281000000 11,281,000,000 Instance
us-gaap:TreasuryStockValue -1.0 -6 [4] 4272000000 4,272,000,000 Instance
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax 1.0 -6 [4] -1945000000 -1,945,000,000 Instance
us-gaap:MinorityInterest 1.0 -6 [4] 2764000000 2,764,000,000 Instance


1 Extended Link [ http://www.alcoa.com/taxonomy/role/statement/IMetrix_StatementOfIncomeAlternativeAlternate1 ]
2 Context eol_PE10803---0910-Q0007_STD_p6m_20090630_0 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] -951000000 -951,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] -792000000 -792,000,000 Instance
aa:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 1.0 -6 [3] -159000000 -159,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p6m_20080630_0 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] 849000000 849,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 852000000 852,000,000 Instance
aa:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 1.0 -6 [1] -3000000 -3,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20090630_0 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] -454000000 -454,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] -312000000 -312,000,000 Instance
aa:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 1.0 -6 [3] -142000000 -142,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20080630_0 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] 546000000 546,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperations 1.0 -6 [3] 553000000 553,000,000 Instance
aa:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 1.0 -6 [1] -7000000 -7,000,000 Instance


1 Extended Link [ http://www.alcoa.com/taxonomy/role/statement/IMetrix_StatementOfIncomeAlternative ]
2 Context eol_PE10803---0910-Q0007_STD_p6m_20090630_0 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] -951000000 -951,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] -946000000 -946,000,000 Instance OK
aa:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [3] -787000000 -787,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [4] -1202000000 -1,202,000,000 Instance OK
us-gaap:SalesRevenueGoodsNet 1.0 -6 [4] 8391000000 8,391,000,000 Instance
aa:TotalCostsAndExpenses -1.0 -6 [4] 9593000000 9,593,000,000 Instance OK
us-gaap:CostOfGoodsSold 1.0 -6 [4] 8109000000 8,109,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 -6 [3] 484000000 484,000,000 Instance
us-gaap:ResearchAndDevelopmentExpense 1.0 -6 [2] 79000000 79,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 600000000 600,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [3] 151000000 151,000,000 Instance
us-gaap:InterestExpense 1.0 -6 [3] 229000000 229,000,000 Instance
us-gaap:NonoperatingIncomeExpense -1.0 -6 [2] 59000000 59,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] -415000000 -415,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [3] -159000000 -159,000,000 Instance
aa:NetIncomeLossAttributableToNoncontrollingInterest -1.0 -6 [1] 5000000 5,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] -1.06 -1.06 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] -0.89 -0.89 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [3] -0.17 -0.17 Instance
us-gaap:EarningsPerShareDiluted 2 [3] -1.06 -1.06 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] -0.89 -0.89 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [3] -0.17 -0.17 Instance
2 Context eol_PE10803---0910-Q0007_STD_p6m_20080630_0 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] 849000000 849,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] 986000000 986,000,000 Instance OK
aa:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 989000000 989,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [4] 1433000000 1,433,000,000 Instance OK
us-gaap:SalesRevenueGoodsNet 1.0 -6 [5] 14243000000 14,243,000,000 Instance
aa:TotalCostsAndExpenses -1.0 -6 [5] 12810000000 12,810,000,000 Instance OK
us-gaap:CostOfGoodsSold 1.0 -6 [5] 11250000000 11,250,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 -6 [3] 619000000 619,000,000 Instance
us-gaap:ResearchAndDevelopmentExpense 1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 631000000 631,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [2] 38000000 38,000,000 Instance
us-gaap:InterestExpense 1.0 -6 [3] 186000000 186,000,000 Instance
us-gaap:NonoperatingIncomeExpense -1.0 -6 [2] 38000000 38,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] 444000000 444,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [1] -3000000 -3,000,000 Instance
aa:NetIncomeLossAttributableToNoncontrollingInterest -1.0 -6 [3] 137000000 137,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] 1.04 1.04 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] 1.04 1.04 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [0] 0.00 0 Instance
us-gaap:EarningsPerShareDiluted 2 [3] 1.03 1.03 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] 1.03 1.03 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [0] 0.00 0 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20090630_0 [ 2009-04-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] -454000000 -454,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] -459000000 -459,000,000 Instance OK
aa:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [3] -317000000 -317,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [3] -425000000 -425,000,000 Instance OK
us-gaap:SalesRevenueGoodsNet 1.0 -6 [4] 4244000000 4,244,000,000 Instance
aa:TotalCostsAndExpenses -1.0 -6 [4] 4669000000 4,669,000,000 Instance OK
us-gaap:CostOfGoodsSold 1.0 -6 [4] 3966000000 3,966,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 -6 [3] 240000000 240,000,000 Instance
us-gaap:ResearchAndDevelopmentExpense 1.0 -6 [2] 38000000 38,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 317000000 317,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [2] 82000000 82,000,000 Instance
us-gaap:InterestExpense 1.0 -6 [3] 115000000 115,000,000 Instance
us-gaap:NonoperatingIncomeExpense -1.0 -6 [2] 89000000 89,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] -108000000 -108,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [3] -142000000 -142,000,000 Instance
aa:NetIncomeLossAttributableToNoncontrollingInterest -1.0 -6 [1] -5000000 -5,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [3] -0.47 -0.47 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [3] -0.32 -0.32 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [3] -0.15 -0.15 Instance
us-gaap:EarningsPerShareDiluted 2 [3] -0.47 -0.47 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [3] -0.32 -0.32 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [3] -0.15 -0.15 Instance
2 Context eol_PE10803---0910-Q0007_STD_p3m_20080630_0 [ 2008-04-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:NetIncomeLoss -6 [3] 546000000 546,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] 616000000 616,000,000 Instance OK
aa:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest 1.0 -6 [3] 623000000 623,000,000 Instance OK
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 1.0 -6 [3] 855000000 855,000,000 Instance OK
us-gaap:SalesRevenueGoodsNet 1.0 -6 [4] 7245000000 7,245,000,000 Instance
aa:TotalCostsAndExpenses -1.0 -6 [4] 6390000000 6,390,000,000 Instance OK
us-gaap:CostOfGoodsSold 1.0 -6 [4] 5723000000 5,723,000,000 Instance
us-gaap:SellingGeneralAndAdministrativeExpense 1.0 -6 [3] 298000000 298,000,000 Instance
us-gaap:ResearchAndDevelopmentExpense 1.0 -6 [2] 61000000 61,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 317000000 317,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [0] 0 0 Instance
us-gaap:InterestExpense 1.0 -6 [2] 87000000 87,000,000 Instance
us-gaap:NonoperatingIncomeExpense -1.0 -6 [2] 96000000 96,000,000 Instance
us-gaap:IncomeTaxExpenseBenefit -1.0 -6 [3] 232000000 232,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax 1.0 -6 [1] -7000000 -7,000,000 Instance
aa:NetIncomeLossAttributableToNoncontrollingInterest -1.0 -6 [2] 70000000 70,000,000 Instance
3 Unit USDperShareItemType
u-equal
us-gaap:EarningsPerShareBasic 2 [2] 0.67 0.67 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare 1.0 2 [2] 0.68 0.68 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare 1.0 2 [3] -0.01 -0.01 Instance
us-gaap:EarningsPerShareDiluted 2 [2] 0.66 0.66 Instance OK
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare 1.0 2 [2] 0.67 0.67 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare 1.0 2 [3] -0.01 -0.01 Instance


1 Extended Link [ http://www.alcoa.com/taxonomy/role/statement/IMetrix_StatementOfCashFlowsIndirect ]
2 Context eol_PE10803---0910-Q0007_STD_p6m_20090630_0 [ 2009-01-01 - 2009-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [2] 89000000 89,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [2] 57000000 57,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 1.0 -6 [2] 67000000 67,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] -946000000 -946,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 600000000 600,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [2] -22000000 -22,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions -1.0 -6 [2] -16000000 -16,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [3] 151000000 151,000,000 Instance
us-gaap:GainLossOnSaleOfOtherAssets -1.0 -6 [2] 17000000 17,000,000 Instance
us-gaap:ProvisionForDoubtfulAccounts 1.0 -6 [1] 9000000 9,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax -1.0 -6 [3] -159000000 -159,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [2] 53000000 53,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities -1.0 -6 [0] 0 0 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [3] 105000000 105,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 -6 [3] -428000000 -428,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [3] -942000000 -942,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets -1.0 -6 [3] -114000000 -114,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableTrade 1.0 -6 [3] -690000000 -690,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedLiabilities 1.0 -6 [3] -280000000 -280,000,000 Instance
aa:IncreaseDecreaseInTaxesPayable 1.0 -6 [3] -479000000 -479,000,000 Instance
us-gaap:PensionContributions -1.0 -6 [2] 69000000 69,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets -1.0 -6 [3] 133000000 133,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [3] 112000000 112,000,000 Instance
aa:IncreaseDecreaseInNetAssetsHeldForSale -1.0 -6 [2] -14000000 -14,000,000 Instance
us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations 1.0 -6 [2] -10000000 -10,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [3] 501000000 501,000,000 Instance OK
aa:ProceedsFromRepaymentsOfShortTermDebtLessThanOneYear 1.0 -6 [3] 189000000 189,000,000 Instance
us-gaap:ProceedsFromRepaymentsOfOtherDebt 1.0 -6 [4] -1435000000 -1,435,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 905000000 905,000,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [2] 17000000 17,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [2] 23000000 23,000,000 Instance
us-gaap:ProceedsFromStockOptionsExercised 1.0 -6 [0] 0 0 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [0] 0 0 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -6 [3] 876000000 876,000,000 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [0] 0 0 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 168000000 168,000,000 Instance
us-gaap:PaymentsOfDividendsMinorityInterest -1.0 -6 [2] 79000000 79,000,000 Instance
us-gaap:ProceedsFromMinorityShareholders 1.0 -6 [3] 253000000 253,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [3] -497000000 -497,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [3] 884000000 884,000,000 Instance
us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired -1.0 -6 [2] -15000000 -15,000,000 Instance
us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries -1.0 -6 [0] 0 0 Instance
aa:ProceedsFromDivestitureOfBusinessesAndProductiveAssets 1.0 -6 [2] -78000000 -78,000,000 Instance
us-gaap:PaymentsToAcquireInvestments -1.0 -6 [1] -4000000 -4,000,000 Instance
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments 1.0 -6 [3] 506000000 506,000,000 Instance
aa:PaymentsForProceedsFromShortTermInvestmentsAndIncreaseDecreaseInRestrictedCash 1.0 -6 [2] -50000000 -50,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [1] 5000000 5,000,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 -6 [2] 28000000 28,000,000 Instance
2 Context eol_PE10803---0910-Q0007_STD_p6m_20080630_0 [ 2008-01-01 - 2008-06-30 ]
c-equal
3 Unit USD
u-equal
us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease -6 [3] 332000000 332,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivities 1.0 -6 [3] 719000000 719,000,000 Instance OK
us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 1.0 -6 [3] 720000000 720,000,000 Instance OK
aa:ProfitLoss 1.0 -6 [3] 986000000 986,000,000 Instance
us-gaap:DepreciationAndAmortization 1.0 -6 [3] 631000000 631,000,000 Instance
us-gaap:DeferredIncomeTaxExpenseBenefit 1.0 -6 [3] -183000000 -183,000,000 Instance
us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions -1.0 -6 [2] 46000000 46,000,000 Instance
us-gaap:RestructuringCharges 1.0 -6 [2] 38000000 38,000,000 Instance
us-gaap:GainLossOnSaleOfOtherAssets -1.0 -6 [1] 8000000 8,000,000 Instance
us-gaap:ProvisionForDoubtfulAccounts 1.0 -6 [1] 4000000 4,000,000 Instance
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax -1.0 -6 [1] -3000000 -3,000,000 Instance
us-gaap:ShareBasedCompensation 1.0 -6 [2] 70000000 70,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities -1.0 -6 [2] 15000000 15,000,000 Instance
us-gaap:OtherAdjustmentsForNoncashItemsIncludedInIncomeLossFromContinuingOperations 1.0 -6 [1] 2000000 2,000,000 Instance
us-gaap:IncreaseDecreaseInReceivables -1.0 -6 [3] 209000000 209,000,000 Instance
us-gaap:IncreaseDecreaseInInventories -1.0 -6 [3] 349000000 349,000,000 Instance
us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets -1.0 -6 [3] 124000000 124,000,000 Instance
us-gaap:IncreaseDecreaseInAccountsPayableTrade 1.0 -6 [3] 210000000 210,000,000 Instance
us-gaap:IncreaseDecreaseInAccruedLiabilities 1.0 -6 [3] -219000000 -219,000,000 Instance
aa:IncreaseDecreaseInTaxesPayable 1.0 -6 [2] 54000000 54,000,000 Instance
us-gaap:PensionContributions -1.0 -6 [2] 67000000 67,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingAssets -1.0 -6 [2] 66000000 66,000,000 Instance
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities 1.0 -6 [1] 9000000 9,000,000 Instance
aa:IncreaseDecreaseInNetAssetsHeldForSale -1.0 -6 [1] 1000000 1,000,000 Instance
us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations 1.0 -6 [1] -1000000 -1,000,000 Instance
us-gaap:NetCashProvidedByUsedInFinancingActivities 1.0 -6 [2] 97000000 97,000,000 Instance OK
aa:ProceedsFromRepaymentsOfShortTermDebtLessThanOneYear 1.0 -6 [2] 30000000 30,000,000 Instance
us-gaap:ProceedsFromRepaymentsOfOtherDebt 1.0 -6 [3] 343000000 343,000,000 Instance
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1.0 -6 [3] 432000000 432,000,000 Instance
us-gaap:PaymentsOfDebtIssuanceCosts -1.0 -6 [1] 6000000 6,000,000 Instance
us-gaap:RepaymentsOfLongTermDebt -1.0 -6 [3] 190000000 190,000,000 Instance
us-gaap:ProceedsFromStockOptionsExercised 1.0 -6 [3] 176000000 176,000,000 Instance
us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 1.0 -6 [2] 15000000 15,000,000 Instance
us-gaap:ProceedsFromIssuanceOfCommonStock 1.0 -6 [0] 0 0 Instance
us-gaap:PaymentsForRepurchaseOfCommonStock -1.0 -6 [3] 605000000 605,000,000 Instance
us-gaap:PaymentsOfDividendsCommonStock -1.0 -6 [3] 280000000 280,000,000 Instance
us-gaap:PaymentsOfDividendsMinorityInterest -1.0 -6 [3] 117000000 117,000,000 Instance
us-gaap:ProceedsFromMinorityShareholders 1.0 -6 [3] 299000000 299,000,000 Instance
us-gaap:NetCashProvidedByUsedInInvestingActivities 1.0 -6 [3] -530000000 -530,000,000 Instance OK
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment -1.0 -6 [4] 1533000000 1,533,000,000 Instance
us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment -1.0 -6 [2] 11000000 11,000,000 Instance
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired -1.0 -6 [3] 276000000 276,000,000 Instance
us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries -1.0 -6 [2] 94000000 94,000,000 Instance
aa:ProceedsFromDivestitureOfBusinessesAndProductiveAssets 1.0 -6 [4] 2636000000 2,636,000,000 Instance
us-gaap:PaymentsToAcquireInvestments -1.0 -6 [4] 1237000000 1,237,000,000 Instance
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments 1.0 -6 [1] 5000000 5,000,000 Instance
aa:PaymentsForProceedsFromShortTermInvestmentsAndIncreaseDecreaseInRestrictedCash 1.0 -6 [1] -2000000 -2,000,000 Instance
us-gaap:PaymentsForProceedsFromOtherInvestingActivities -1.0 -6 [2] 18000000 18,000,000 Instance
us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents 1.0 -6 [2] 46000000 46,000,000 Instance


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