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| 6 |
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| 8 |
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xbrli:monetaryItemType |
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| 9 |
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us-gaap: Net realized capital gains (losses)
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xbrli:monetaryItemType |
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us-gaap:RealizedInvestmentGainsLosses |
| 10 |
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xbrli:monetaryItemType |
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| 11 |
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xbrli:monetaryItemType |
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xbrli:monetaryItemType |
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us-gaap:SellingExpense |
| 16 |
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xbrli:monetaryItemType |
duration |
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us-gaap:GeneralAndAdministrativeExpense |
| 17 |
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xbrli:monetaryItemType |
duration |
debit |
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| 18 |
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xbrli:monetaryItemType |
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| 19 |
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xbrli:monetaryItemType |
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us-gaap:InterestExpense |
| 20 |
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us-gaap: Amortization of other acquired intangible assets
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xbrli:monetaryItemType |
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| 21 |
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| 22 |
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debit |
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xbrli:monetaryItemType |
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aet:IncomeBeforeIncomeTax |
| 24 |
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xbrli:monetaryItemType |
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| 27 |
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xbrli:monetaryItemType |
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| 28 |
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xbrli:monetaryItemType |
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us-gaap:IncomeTaxExpenseBenefit |
| 29 |
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xbrli:monetaryItemType |
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us-gaap:IncomeLossFromContinuingOperations |
| 30 |
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xbrli:monetaryItemType |
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| 31 |
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| 37 |
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us-gaap:EarningsPerShareAbstract |
| 39 |
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us-gaap:EarningsPerShareBasic |
| 40 |
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us-gaap: Diluted
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us-types:perShareItemType |
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us-gaap:EarningsPerShareDiluted |
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| 41 |
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us-gaap:StatementTable |
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us-gaap:AssetsAbstract |
| 44 |
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us-gaap:AssetsCurrentAbstract |
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us-gaap:CashAndCashEquivalentsAtCarryingValue |
| 46 |
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xbrli:monetaryItemType |
instant |
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| 47 |
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xbrli:monetaryItemType |
instant |
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us-gaap:PremiumsReceivableAtCarryingValue |
| 48 |
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xbrli:monetaryItemType |
instant |
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| 49 |
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xbrli:monetaryItemType |
instant |
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| 50 |
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xbrli:monetaryItemType |
instant |
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| 51 |
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xbrli:monetaryItemType |
instant |
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| 52 |
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xbrli:monetaryItemType |
instant |
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us-gaap:DeferredTaxAssetsNetCurrent |
| 53 |
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xbrli:monetaryItemType |
instant |
debit |
us-gaap:OtherAssetsCurrent |
| 54 |
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us-gaap: Total current assets
|
xbrli:monetaryItemType |
instant |
debit |
us-gaap:AssetsCurrent |
| 55 |
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|
xbrli:monetaryItemType |
instant |
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us-gaap:LongTermInvestments |
| 56 |
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|
xbrli:monetaryItemType |
instant |
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us-gaap:ReinsuranceRecoverables |
| 57 |
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xbrli:monetaryItemType |
instant |
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us-gaap:Goodwill |
| 58 |
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xbrli:monetaryItemType |
instant |
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| 59 |
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xbrli:monetaryItemType |
instant |
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| 60 |
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xbrli:monetaryItemType |
instant |
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| 61 |
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xbrli:monetaryItemType |
instant |
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| 62 |
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xbrli:monetaryItemType |
instant |
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us-gaap:SeparateAccountAssets |
| 63 |
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xbrli:monetaryItemType |
instant |
credit |
us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent |
| 64 |
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xbrli:monetaryItemType |
instant |
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| 65 |
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instant |
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| 66 |
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| 67 |
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us-gaap:LiabilitiesCurrentAbstract |
| 68 |
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xbrli:monetaryItemType |
instant |
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| 69 |
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xbrli:monetaryItemType |
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aet:ShortTermFuturePolicyBenefits |
| 70 |
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xbrli:monetaryItemType |
instant |
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| 71 |
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xbrli:monetaryItemType |
instant |
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| 72 |
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xbrli:monetaryItemType |
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|
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| 73 |
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xbrli:monetaryItemType |
instant |
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| 74 |
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xbrli:monetaryItemType |
instant |
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| 75 |
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| 76 |
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| 77 |
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| 78 |
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| 79 |
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xbrli:monetaryItemType |
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| 80 |
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| 81 |
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instant |
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| 82 |
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instant |
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| 83 |
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| 84 |
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| 86 |
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instant |
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us-gaap:Liabilities |
| 87 |
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| 89 |
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| 90 |
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| 91 |
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xbrli:monetaryItemType |
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| 92 |
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| 93 |
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| 95 |
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| 98 |
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instant |
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| 99 |
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aet:CommonStockSharesIssuedAndOutstanding |
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| 100 |
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| 103 |
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us-gaap:EquityComponentDomain |
| 104 |
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aet:CommonStockOutstandingMember |
| 105 |
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aet:CommonStockAndAdditionalPaidInCapitalMember |
| 106 |
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us-types:domainItemType |
duration |
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us-gaap:RetainedEarningsMember |
| 107 |
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us-types:domainItemType |
duration |
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us-gaap:AccumulatedOtherComprehensiveIncomeMember |
| 108 |
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us-gaap:ComprehensiveIncomeMember |
| 109 |
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| 110 |
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xbrli:monetaryItemType |
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| 111 |
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| 112 |
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| 118 |
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us-gaap:OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease |
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debit |
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| 127 |
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us-gaap:StatementTable |
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| 134 |
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| 138 |
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xbrli:monetaryItemType |
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| 139 |
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xbrli:monetaryItemType |
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| 140 |
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xbrli:monetaryItemType |
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| 141 |
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| 148 |
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| 150 |
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us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther |
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| 166 |
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| 167 |
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us-gaap:PaymentsForRepurchaseOfCommonStock |
| 169 |
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| 170 |
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| 171 |
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| 172 |
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| 180 |
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Network: (6090 - Disclosure - Capital Stock) |
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