v3.10.0.1

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Statement of Comprehensive Income [Abstract] |  |  |  |
Unrealized gains (losses) on designated cash flow and net investment hedges, tax (expense) benefit | $ 1 | $ 0 | $ 4 | $ 0
Unrealized gains (losses) on investments, tax (expense) benefit | 0 | 0 | 0 | (1)
Reclassification of realized net losses (gains) to net income, tax expense (benefit) | 0 | 2 | 0 | 1
Pension adjustment, tax (expense) benefit | $ 1 | $ (5) | $ 1 | $ (1)

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