Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassifications out of accumulated other comprehensive income loss by component
Gain on sale of business	$ (119)	$ 0	$ (119)	$ 0
Income tax expense	312	37	397	150
Net of tax	62	$ (121)	(149)	$ (419)
Decrease (Increase) in Net Income | Foreign currency translation
Reclassifications out of accumulated other comprehensive income loss by component
Gain on sale of business	112		112
Income tax expense	0		0
Net of tax	$ 112		$ 112