|
Long-Term Debt - Aggregate Maturities of Debt (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
|---|---|
| Debt Disclosure [Abstract] | |
| 2014 | $ 45 |
| 2015 | 43 |
| 2016 | 1,978 |
| 2017 | 33 |
| 2018 | 18 |
| Thereafter | 1,456 |
| Aggregate maturities of debt, Total | $ 3,573 |