| Line | Label | Object Class | Period Type | Balance | Name |
| 1 | 306011 - Disclosure - Note F. Part 2. Long-term Debt Components | [Network] | http://www.abc.com/role/LongTermDebtComponents | ||
| 2 | Schedule of Long-term Debt Components [Table] | [Table] | abc:ScheduleOfLongTermDebtComponentsTable | ||
| 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 | Schedule of Long-term Debt Components [Line Items] | [Line Items] | abc:ScheduleOfLongTermDebtComponentsLineItems | ||
| 9 | Long-term Debt [Roll Up] | [Abstract] | abc:LongTermDebtRollUp | ||
| 10 | Current potion of long-term debt | [Concept] Monetary | As Of | Credit | us-gaap:DebtCurrent |
| 11 | Long-term debt | [Concept] Monetary | As Of | Credit | us-gaap:LongTermDebtAndCapitalLeaseObligations |
| 12 | Long-term Debt, Total | [Concept] Monetary | As Of | Credit | us-gaap:LongTermDebt |