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Intangible Assets - Definite Life Intangible Assets (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Indefinite life intangible assets:
Amortization of intangible assets	$ 38,000,000	$ 37,000,000	$ 115,000,000	$ 113,000,000
Loss on restructuring	0
Automatic Labs Inc \| Finite-Lived Intangible Assets
Indefinite life intangible assets:
Loss on restructuring				4,000,000
Retired
Indefinite life intangible assets:
Intangible assets	$ 0	$ 17,000,000	$ 0	$ 17,000,000