Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Amortization of intangible assets		$ 89	$ 88	$ 62
Annual estimated amortization expense, year 1	$ 77	77
Annual estimated amortization expense, year 2	77	77
Annual estimated amortization expense, year 3	77	77
Annual estimated amortization expense, year 4	77	77
Annual estimated amortization expense, year 5	77	77
Impairment charge	204
Reporting unit, impairment analysis, projected reduction of carrying amount	588	588
Filorga Reporting Unit
Goodwill [Line Items]
Goodwill, Impairment Loss	367
Carrying value (including goodwill)	$ 577	$ 577