|
Long-Term Debt Obligations (Detail) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Debt Instrument [Line Items] | ||
| Other long-term debt | $ 718 | $ 691 |
| Long-term debt | 3,718 | 3,691 |
| Less current portion of long-term debt | (652) | (579) |
| Face value of long-term debt | 3,066 | 3,112 |
|
0.65% Notes due on November 27, 2015
|
||
| Debt Instrument [Line Items] | ||
| Long-term debt | 750 | 750 |
|
1.20% Notes due on November 29, 2017
|
||
| Debt Instrument [Line Items] | ||
| Long-term debt | 1,000 | 1,000 |
|
2.50% Notes due on November 29, 2022
|
||
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 1,250 | $ 1,250 |