| Fact Group (Combination of Network and Hypercube) | |
| Network: | 309020 - Disclosure - Note I. Geographic Areas (http://www.abc.com/role/GeographicAreas) |
| Hypercube: | Revenues by Geographic Area [Table] (abc:RevenuesByGeographicAreaTable) |
| 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 |
| brm:Units | iso4217:USD |
| brm:CalendarTimeMeasure | ||
| usZZZZgaap:StatementGeographicalAxis | 2009-01-01/2009-12-31 | 2010-01-01/2010-12-31 |
| Geographic Areas [Axis] | ||
| Geographic Areas, All [Domain] | 10,000,000 | 10,000,000 |
| North America [Member] | 4,000,000 | 4,000,000 |
| Europe [Member] | 2,000,000 | 2,000,000 |