|
Employee Benefit Plans - Components of Net Periodic Benefit Cost (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
|
Defined Benefit Pension Plans [Member]
|
|||
| Pension Plans, Postretirement and Other Employee Benefits [Line Items] | |||
| Interest cost | $ 24 | $ 25 | $ 27 |
| Expected return on plan assets | (34) | (31) | (31) |
| Recognized net actuarial loss (gain) | 14 | 13 | 5 |
| Net periodic benefit cost (gain) | 4 | 7 | 1 |
|
Post-Retirement Benefit Plans [Member]
|
|||
| Pension Plans, Postretirement and Other Employee Benefits [Line Items] | |||
| Interest cost | 1 | ||
| Amortization of prior service cost | (4) | ||
| Recognized net actuarial loss (gain) | (1) | (4) | (1) |
| Net periodic benefit cost (gain) | $ (1) | $ (4) | $ (4) |