|
Equity - Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Beginning Balance |
$ (189) |
$ (176) |
$ (9) |
| Activity during period, net of tax |
107 |
(13) |
(167) |
| Accumulated Other Comprehensive Income (Loss), Ending Balance |
(82) |
(189) |
(176) |
|
Currency Translation Adjustments [Member]
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Beginning Balance |
(5) |
(8) |
73 |
| Activity during period, net of tax |
(5) |
3 |
(81) |
| Accumulated Other Comprehensive Income (Loss), Ending Balance |
(10) |
(5) |
(8) |
|
Unrealized Gain (Loss) on Equity Investments [Member]
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Beginning Balance |
(1) |
2 |
(4) |
| Activity during period, net of tax |
9 |
(3) |
6 |
| Accumulated Other Comprehensive Income (Loss), Ending Balance |
8 |
(1) |
2 |
|
Unrealized Gain (Loss) on Cash Flow Hedges [Member]
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Beginning Balance |
|
|
(9) |
| Activity during period, net of tax |
(4) |
|
9 |
| Accumulated Other Comprehensive Income (Loss), Ending Balance |
(4) |
|
|
|
Unrecognized Actuarial Gain (Loss) on Defined Benefit Plans [Member]
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
| Accumulated Other Comprehensive Income (Loss), Beginning Balance |
(183) |
(170) |
(69) |
| Activity during period, net of tax |
107 |
(13) |
(101) |
| Accumulated Other Comprehensive Income (Loss), Ending Balance |
$ (76) |
$ (183) |
$ (170) |