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Derivative Instruments (Hedges of Net Investments in Foreign Operations) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Derivatives, Fair Value [Line Items] |  |  |
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives | $ (2) | $ (29) | $ (33)
Currency Swap [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives | (2) | 1 | (9)
Foreign Exchange Forward [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives | $ 0 | $ (30) | $ (24)

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- Definition The current period gain (loss) recognized in other comprehensive income related to the derivatives designated in cash flow hedges. + References No definition available. + Details
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- Details
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- Details
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