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Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Other Comprehensive Income (Loss) [Abstract] |  |  |  |  |  |
Translation Adjustments Gains (Losses), pre-tax |  | $ (10) | $ (28) | $ (25) | $ (47) |
Translation Adjustments Gains (Losses), Net of Tax | [1] | (10) | (28) | (25) | (47) |
Changes in fair value of cash flow hedges - gains, pre-tax |  | (1) | (3) | 0 | (3) |
Changes in fair value of cash flow hedges - gains, net of tax |  | 0 | (3) | 0 | (3) |
Changes in cash flow hedges reclassed to earnings, pre-tax | [2] | 1 | 1 | 2 | 3 |
Changes in cash flow hedges reclassed to earnings, net of tax | [2] | 0 | 2 | 1 | 3 |
Net Unrealized Gains, pre-tax |  | 0 | (2) | 2 | 0 |
Net Unrealized Gains, Net of Tax | [1] | 0 | (1) | 1 | 0 |
Net actuarial loss, pre-tax |  | 0 | 0 | 0 | 2 |
Net actuarial loss, net of tax |  | 0 | 0 | 0 | 1 |
Actuarial loss amortization/settlement, pre-tax | [3] | 1 | 0 | 1 | 1 |
Actuarial loss amortization/settlement, net of tax | [3] | 1 | 0 | 1 | 1 |
Other gains, pre-tax |  | 0 | 2 | 1 | 1 |
Other gains, net of tax |  | 0 | 2 | 1 | 1 |
Change in Defined Benefit Plans (Losses) Gains, Pre-tax |  | 1 | 2 | 2 | 4 |
Change in Defined Benefit Plans (Losses) Gains, Net of Tax | [1] | 1 | 2 | 2 | 3 |
Other Comprehensive Income (Loss), pre-tax |  | (9) | (28) | (21) | (43) |
Other Comprehensive Income (Loss), Net of Tax | [1] | (9) | $ (27) | (22) | $ (44) |
Cumulative translation adjustments |  | (172) |  | (172) |  | $ (147)
Other unrealized losses, net |  | 0 |  | 0 |  | (1)
Benefit plans net actuarial losses and prior service credits | [4] | (31) |  | (31) |  | (33)
Total Accumulated Other Comprehensive Loss |  | $ (203) |  | $ (203) |  | $ (181)
[1] | Refer to Note 10 - Other Comprehensive Loss for gross components of Other Comprehensive Loss, reclassification adjustments out of Accumulated Other Comprehensive Loss and related tax effects.
[2] | Reclassified to Cost of outsourcing. Refer to Note 7 - Financial Instruments for additional information regarding our cash flow hedges.
[3] | Reclassified to Total Net Periodic Benefit Cost. Refer to Note 9 - Employee Benefit Plans for additional information.
[4] | Primarily represents currency impact on cumulative amount of benefit plan net actuarial losses and prior service credits in AOCL.

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