Accumulated Other Comprehensive Loss - AOCI Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Increase (Decrease) in Accumulated Other Comprehensive Income
Beginning balance	$ 13,009	$ 12,905
Other comprehensive income (loss), net of tax	(105)	(117)
Amounts reclassified in accumulated other comprehensive (loss) income	112
Other comprehensive income (loss), net of tax	7	(117)	$ (55)
Ending balance	6,798	13,009	12,905
Accumulated other comprehensive income
Increase (Decrease) in Accumulated Other Comprehensive Income
Beginning balance	(351)	(234)
Ending balance	(344)	(351)	(234)
Pension Plans
Increase (Decrease) in Accumulated Other Comprehensive Income
Beginning balance	3	(13)
Other comprehensive income (loss), net of tax	18	16
Amounts reclassified in accumulated other comprehensive (loss) income	0
Other comprehensive income (loss), net of tax	18	16
Ending balance	21	3	(13)
Foreign Currency Translation Adjustments and Other
Increase (Decrease) in Accumulated Other Comprehensive Income
Beginning balance	(354)	(221)
Other comprehensive income (loss), net of tax	(123)	(133)
Amounts reclassified in accumulated other comprehensive (loss) income	112
Other comprehensive income (loss), net of tax	(11)	(133)
Ending balance	$ (365)	$ (354)	$ (221)