Goodwill and Intangible Assets, Net - Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	$ 670		$ 671
Accumulated amortization of definite-lived intangible assets	(312)		(302)
Net carrying amount of definite-lived intangible assets	358		369
Net carrying amount of indefinite-lived intangible assets	62		62
Intangible assets, net	420		431
Amortization of intangible assets	11	$ 10
Customer relationships
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	396		397
Accumulated amortization of definite-lived intangible assets	(160)		(155)
Net carrying amount of definite-lived intangible assets	236		242
Other
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	274		274
Accumulated amortization of definite-lived intangible assets	(152)		(147)
Net carrying amount of definite-lived intangible assets	$ 122		$ 127