Taxes on Income - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of beginning and ending amount of unrecognized tax benefits
Balance at beginning of year	$ 121	$ 124	$ 147
Additions based on tax positions related to the current year	35	24	21
Additions for tax positions of prior years	9	1	11
Reduction for tax positions of prior years	0	(13)	(15)
Reduction for settlements	(8)	(4)	(33)
Expiration of applicable statutes of limitations	(10)	(11)	(7)
Balance at end of year	$ 147	$ 121	$ 124