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Employee Benefit Plans - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
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Dec. 31, 2012
|
Dec. 31, 2011
|
| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
|
| Company's contributions in plan |
$ 15 |
$ 10 |
$ 10 |
| Aggregate accumulated benefit obligations |
581 |
663 |
|
| Aggregate fair value of plan assets |
523 |
497 |
|
| Unrecognized actuarial losses |
78 |
184 |
|
| Unrecognized actuarial gains |
3 |
2 |
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| Health care cost trend reduced year |
8 years |
|
|
| Effect of percentage change assumed health care cost trend rate |
0 |
|
|
| Company's estimated contributions to its defined benefit pension and post-retirement benefit in 2014 |
6 |
|
|
| Company's contributions to its defined benefit pension and post-retirement benefit |
3 |
|
|
|
Equity Securities [Member]
|
|
|
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| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
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| Target allocation of plan assets |
50.00% |
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|
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Fixed Income Securities [Member]
|
|
|
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| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
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| Target allocation of plan assets |
42.00% |
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|
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Other Investments [Member]
|
|
|
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| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
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| Target allocation of plan assets |
8.00% |
|
|
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Other Non-US [Member]
|
|
|
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| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
|
| Aggregate benefit obligation for employees |
81 |
76 |
|
| Aggregate fair value of plan assets |
91 |
79 |
|
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Post-Retirement Benefit Plans [Member]
|
|
|
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| Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
|
|
|
| Aggregate benefit obligation for employees |
7 |
8 |
9 |
| Aggregate fair value of plan assets |
|
|
|
| Achieved health care cost trend rate |
5.00% |
|
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| Assumed health care cost trend rate |
9.00% |
|
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| Company's contributions to its defined benefit pension and post-retirement benefit |
|
$ 1 |
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