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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2015
Equity [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) | The components of accumulated other comprehensive income (loss) are as follows (in millions):
|  | Currency Translation Adjustments |  |  | Derivative Financial Instruments, Net of Tax |  |  | Defined Benefit Plans, Net of Tax |  |  | Total |
Balance at December 31, 2012 |  | $ | 132 |  |  | $ | 42 |  |  | $ | (67 | ) |  | $ | 107 |
Accumulated other comprehensive income (loss) before reclassifications |  |  | (90 | ) |  |  | (29 | ) |  |  | 48 |  |  |  | (71 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (25 | ) |  |  | (8 | ) |  |  | (7 | ) |  |  | (40 | )
Balance at December 31, 2013 |  | $ | 17 |  |  | $ | 5 |  |  | $ | (26 | ) |  | $ | (4 | )
Accumulated other comprehensive income (loss) before reclassifications |  |  | (543 | ) |  |  | (245 | ) |  |  | (59 | ) |  |  | (847 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 11 |  |  |  | 12 |  |  |  | (6 | ) |  |  | 17 |
Balance at December 31, 2014 |  | $ | (515 | ) |  | $ | (228 | ) |  | $ | (91 | ) |  | $ | (834 | )
Accumulated other comprehensive income (loss) before reclassifications |  |  | (764 | ) |  |  | (176 | ) |  |  | 26 |  |  |  | (914 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | — |  |  |  | 199 |  |  |  | (4 | ) |  |  | 195 |
Balance at December 31, 2015 |  | $ | (1,279 | ) |  | $ | (205 | ) |  | $ | (69 | ) |  | $ | (1,553 | )
Components of Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | The components of amounts reclassified from accumulated other comprehensive income (loss) are as follows (in millions):
|  | Years Ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | Currency Translation Adjustments |  |  | Derivative Financial Instruments |  |  | Defined Benefit Plans |  |  | Total |  |  | Currency Translation Adjustments |  |  | Derivative Financial Instruments |  |  | Defined Benefit Plans |  |  | Total |  |  | Currency Translation Adjustments |  |  | Derivative Financial Instruments |  |  | Defined Benefit Plans |  |  | Total |
Revenue |  | $ | — |  |  | $ | (19 | ) |  | $ | — |  |  | $ | (19 | ) |  | $ | — |  |  | $ | (26 | ) |  | $ | — |  |  | $ | (26 | ) |  | $ | — |  |  | $ | (16 | ) |  | $ | — |  |  | $ | (16 | )
Cost of revenue |  |  | — |  |  |  | 295 |  |  |  | — |  |  |  | 295 |  |  |  | — |  |  |  | 43 |  |  |  | — |  |  |  | 43 |  |  |  | — |  |  |  | 6 |  |  |  | — |  |  |  | 6 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |
Selling, general, and administrative |  |  | — |  |  |  | — |  |  |  | (6 | ) |  |  | (6 | ) |  |  | — |  |  |  | — |  |  |  | (8 | ) |  |  | (8 | ) |  |  | — |  |  |  | — |  |  |  | (8 | ) |  |  | (8 | )
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |
Other income (expense), net |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | — |  |  |  | — |  |  |  | 11 |  |  |  | (25 | ) |  |  | — |  |  |  | — |  |  |  | (25 | )
Tax effect |  |  | — |  |  |  | (77 | ) |  |  | 2 |  |  |  | (75 | ) |  |  | — |  |  |  | (5 | ) |  |  | 2 |  |  |  | (3 | ) |  |  | — |  |  |  | 2 |  |  |  | 1 |  |  |  | 3 |
|  | $ | — |  |  | $ | 199 |  |  | $ | (4 | ) |  | $ | 195 |  |  | $ | 11 |  |  | $ | 12 |  |  | $ | (6 | ) |  | $ | 17 |  |  | $ | (25 | ) |  | $ | (8 | ) |  | $ | (7 | ) |  | $ | (40 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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