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Taxes on Income (Items Recorded in Equity) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Major components of tax expense (income) [abstract]      
Actuarial gains from defined benefit plan $ (22) $ (6) $ 10
Change in investments at fair value through other comprehensive income (21) 0 (1)
Taxes in respect of exchange rate differences on equity loan to a subsidiary included in translation adjustment (1) (3) 1
Tax recorded in other comprehensive income $ (44) $ (9) $ 10