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Taxes on Income (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Unrecognized tax benefits $ 271 $ 248 $ 101
Unrecognized tax benefits that, if recognized, would affect the annual effective tax rate 221 202  
Unrecognized tax benefits, interest and penalties accrued $ 68 $ 58