Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions |
12 Months Ended | ||||||||||||||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||
Amounts reclassified from accumulated other comprehensive loss | $ (22) | $ 1 | $ (15) | ||||||||||||
Currency translation adjustment [member] | |||||||||||||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||
Sale and liquidation of foreign assets | [1] | (25) | 3 | (15) | |||||||||||
Gains on net investment hedges | [2] | 0 | 2 | 1 | |||||||||||
Tax benefit (expense) | [3] | 9 | 0 | [4] | 5 | ||||||||||
Total currency translation adjustment reclassifications for the period, net of taxes | (16) | 5 | (9) | ||||||||||||
Pension liability adjustment [member] | |||||||||||||||
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||||||||||||||
Amortization of prior service credit (cost) | [5] | (4) | (4) | (1) | |||||||||||
Amortization of net gain (loss) | [5] | (5) | (3) | (8) | |||||||||||
Tax benefit (expense) | [3] | 3 | 3 | 3 | |||||||||||
Total pension liability adjustment reclassifications for the period, net of taxes | $ (6) | $ (4) | $ (6) | ||||||||||||
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