Shareholders' Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	$ (2,172)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,509)	$ (2,172)
Treasury Stock, Value	1,700	300
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(609)	(119)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	328	398
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	(2,248)	(2,424)
Net realized gains (losses)	0	0
Other Comprehensive Income (Loss), Tax	(93)	(103)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(374)	176
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(2,622)	(2,248)
Deferred Gain (Loss) On Hedging Activities [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	268	507
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	225	185
Net realized gains (losses)	(352)	(474)
Other Comprehensive Income (Loss), Tax	7	7
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(77)	40
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	148	225
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	117	190
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	(147)	(365)
Net realized gains (losses)	23	99
Other Comprehensive Income (Loss), Tax	(15)	(71)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	125	218
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(22)	(147)
Unrealized Gain (Loss) On Investments [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(12)	(2)
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	(2)	0
Net realized gains (losses)	0	0
Other Comprehensive Income (Loss), Tax	1	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(11)	(2)
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	(13)	(2)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(236)	576
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	328	398
Accumulated other comprehensive income (loss)
Balance of Accumulated Other Comprehensive Income (Loss) at beginning of period	(2,172)	(2,604)
Net realized gains (losses)	(329)	(375)
Other Comprehensive Income (Loss), Tax	(100)	(167)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(337)	432
Balance of Accumulated Other Comprehensive Income (Loss) at End of period	$ (2,509)	$ (2,172)