| Line | Label | Object Class | Period Type | Balance | Name |
| 1 | 306010 - Disclosure - Note F. Part 1. Long-term Debt Instruments | [Network] | http://www.abc.com/role/LongTermDebtInstruments | ||
| 2 | Schedule of Long-term Debt Instruments [Table] | [Table] | us-gaap:DebtInstrumentTable | ||
| 3 | Report Date [Axis] | [Axis] | us-gaap:CreationDateAxis | ||
| 4 | Financial Statements Date [Domain] | [Domain] | us-gaap:DefaultFinancialStatementsDateMember | ||
| 5 | As Reported February 12, 2011 [Member] | [Member] | For Period | abc:AsReportedFebruary122011Member | |
| 6 | Legal Entity [Axis] | [Axis] | dei:LegalEntityAxis | ||
| 7 | Consolidated Entity [Domain] | [Domain] | dei:EntityDomain | ||
| 8 | Long-term Debt, Type [Axis] | [Axis] | us-gaap:LongtermDebtTypeAxis | ||
| 9 | Long-term Debt, Type [Domain] | [Domain] | us-gaap:LongtermDebtTypeDomain | ||
| 10 | Loans Payable [Member] | [Member] | us-gaap:LoansPayableMember | ||
| 11 | Debt Instrument [Axis] | [Axis] | us-gaap:DebtInstrumentAxis | ||
| 12 | Debt Instrument, Name [Domain] | [Domain] | us-gaap:DebtInstrumentNameDomain | ||
| 13 | Debt Instrument AA [Member] | [Member] | For Period | abc:DebtInstrumentAaMember | |
| 14 | Debt Instrument B [Member] | [Member] | For Period | abc:DebtInstrumentBMember | |
| 15 | Debt Instrument [Line Items] | [Line Items] | us-gaap:DebtInstrumentLineItems | ||
| 16 | Debt Instrument [Hierarchy] | [Abstract] | abc:DebtInstrumentHierarchy | ||
| 17 | Debt Instrument, Description | [Concept] Text/String | For Period | us-gaap:DebtInstrumentDescription | |
| 18 | Debt Instrument, Collateral | [Concept] Text/String | For Period | us-gaap:DebtInstrumentCollateral | |
| 19 | Debt Instrument, Interest Rate Terms | [Concept] Text/String | For Period | us-gaap:DebtInstrumentInterestRateTerms | |
| 20 | Debt Instrument, Maturity Date, Description | [Concept] Text/String | For Period | us-gaap:DebtInstrumentMaturityDateDescription | |
| 21 | Long-term Debt | [Concept] Monetary | As Of | Credit | us-gaap:LongTermDebt |