Goodwill and Intangible Assets, Net - Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	$ 833		$ 833		$ 922
Accumulated amortization of definite-lived intangible assets	(303)		(303)		(345)
Net carrying value of definite-lived intangible assets	530		530		577
Net carrying amount of indefinite-lived intangible assets	83		83		83
Intangible assets, net	613		613		660
Amortization of intangible assets	17	$ 10	49	$ 31
Customer relationships
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	398		398		399
Accumulated amortization of definite-lived intangible assets	(191)		(191)		(176)
Net carrying value of definite-lived intangible assets	207		207		223
Developed technology
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	254		254		254
Accumulated amortization of definite-lived intangible assets	(27)		(27)		(6)
Net carrying value of definite-lived intangible assets	227		227		248
Other
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	181		181		269
Accumulated amortization of definite-lived intangible assets	(85)		(85)		(163)
Net carrying value of definite-lived intangible assets	$ 96		$ 96		$ 106