| Fact Group (Combination of Network and Hypercube) | |
| Network: | 308000 - Disclosure - Note H. Nonmonetary Transactions (http://www.abc.com/role/NonmonetaryTransactions) |
| Hypercube: | Nonmonetary Transaction, by Type [Table] (us-gaap:NonmonetaryTransactionByTypeTable) |
| Slicers (applies to each fact value in each table cell) | |
| brm:ReportingEntityMeasure | 0000000001 (http://www.sec.gov/CIK) |
| us-gaap:CreationDateAxis | abc:AsReportedFebruary122011Member |
| dei:LegalEntityAxis | dei:EntityDomain |
| us-gaap:NonmonetaryTransactionTypeAxis | ||||
| brm:ConceptMeasure | Nonmonetary Transaction Type [Domain] | Receipt of Assets in Satisfaction of Debt [Member] | Advertising Barter Transactions [Member] | Inventory Exchanges [Member] |
| Nonmonetary Transaction [Line Items] | ||||
| Nonmonetary Transaction [Hierarchy] | ||||
| Nonmonetary Transaction, Basis of Accounting for Assets Transferred | Mauris tincidunt cursus est | Nulla sit amet nibh | Nam non tortor non leo | |
| Nonmonetary Transaction, Name of Counterparty | Proin elit sem | Nulla sit amet | Proin sit amet sem | |
| Nonmonetary Transaction, Gain (Loss) Recognized on Transfer | 300,000 | 100,000 | 100,000 | 100,000 |
| Nonmonetary Transaction, Amount of Barter Transaction | 600,000 | 200,000 | 200,000 | 200,000 |