|
Segment, Geographic and Other Revenue Information Narrative (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Segment Reporting Information [Line Items] | |||
| Total assets | $ 188,002 | $ 195,014 | |
|
Minimum [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Base concentration of revenue amount | $ 500 | $ 500 | $ 500 |
|
United States [Member] | Minimum [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Percentage of total revenues | 10.00% | 10.00% | 10.00% |
|
Sales Revenue Exceeded 500 Million outside the U.S. [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Number of countries outside the U.S | 18 | 18 | 13 |
|
Customer Concentration Risk [Member] | Three largest U.S. wholesaler customers [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Percentage of total accounts receivable | 13.00% | 18.00% | |
| Number of largest US customers | 3 | 3 | |
|
Customer Concentration Risk [Member] | Domestic Wholesaler one [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Percentage of total revenues | 13.00% | 14.00% | |
|
Customer Concentration Risk [Member] | Domestic Wholesaler two [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Percentage of total revenues | 10.00% | 10.00% | |
|
Customer Concentration Risk [Member] | Domestic Wholesaler three [Member]
|
|||
| Segment Reporting Information [Line Items] | |||
| Percentage of total revenues | 9.00% | 9.00% | |