Network: 154102 - Statement - Statement of Changes in Equity, Common Stock (http://www.abc.com/role/StatementOfChangesInEquityCommonStock)

Line Label Object Class Period Type Balance Name
1 154102 - Statement - Statement of Changes in Equity, Common Stock [Network]

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 http://www.abc.com/role/StatementOfChangesInEquityCommonStock
2 Changes in Common Stock, by Class [Table] [Table]

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 abc:ChangesInCommonStockByClassTable
3 Report Date [Axis] [Axis]

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 us-gaap:CreationDateAxis
4 Financial Statements Date [Domain] [Domain]

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 us-gaap:DefaultFinancialStatementsDateMember
5 As Reported February 12, 2011 [Member] [Member] For Period

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 abc:AsReportedFebruary122011Member
6 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
7 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
8 Class of Common Stock [Axis] [Axis]

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 abc:ClassOfCommonStockAxis
9 Class of Common Stock, All Classes [Domain] [Domain] For Period

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 abc:ClassOfCommonStockAllClassesDomain
10 Common Class A [Member] [Member]

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 us-gaap:CommonClassAMember
11 Common Class B [Member] [Member]

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 us-gaap:CommonClassBMember
12 Changes in Common Stock, by Class [Line Items] [Line Items]

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 abc:ChangesInCommonStockByClassLineItems
13 Common Stock, Value [Roll Forward] [Abstract]

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 abc:CommonStockValueRollForward
14 Common Stock, Value, Outstanding, Beginning Balance [Concept] Monetary As Of Credit us-gaap:CommonStockValueOutstanding
15 Common Stock, Value, Outstanding, Period Increase (Decrease) [Concept] Monetary For Period Credit abc:CommonStockValueOutstandingPeriodIncreaseDecrease
16 Common Stock, Value, Outstanding, Ending Balance [Concept] Monetary As Of Credit us-gaap:CommonStockValueOutstanding
17 Common Stock, Shares Outstanding [Roll Forward] [Abstract]

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 abc:CommonStockSharesOutstandingRollForward
18 Common Stock, Shares, Outstanding, Beginning Balance [Concept] Shares As Of

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 us-gaap:CommonStockSharesOutstanding
19 Common Stock, Shares Outstanding, Period Increase (Decrease) [Concept] Shares For Period

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 abc:CommonStockSharesOutstandingPeriodIncreaseDecrease
20 Common Stock, Shares, Outstanding, Ending Balance [Concept] Shares As Of

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 us-gaap:CommonStockSharesOutstanding