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Income Taxes (Details 3) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Balance, January 1 | $ 790 | $ 726 | $ 701
Increases: |  |  |
Current year tax positions | 64 | 57 | 66
Tax positions related to prior years | 225 | 105 | 78
Effects of foreign currency translations | 0 | 0 | 10
Decreases: |  |  |
Tax positions related to prior years | (14) | (24) | (14)
Settlements with tax authorities | (15) | (15) | (40)
Lapse of statute of limitations | (17) | (58) | (75)
Effects of foreign currency translations | (9) | (1) | 0
Balance, December 31 | $ 1,024 | $ 790 | $ 726

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