Intangible Asset, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets
Finite-lived intangible assets, cost	$ 2,481	$ 1,354
Finite-lived intangible assets, accumulated amortization	(521)	(549)
Finite-lived intangible assets, net	1,960	805
Customer contracts and relationships
Finite-Lived Intangible Assets
Finite-lived intangible assets, cost	2,445	1,291
Finite-lived intangible assets, accumulated amortization	(510)	(519)
Finite-lived intangible assets, net	$ 1,935	772
Customer contracts and relationships | Minimum
Finite-Lived Intangible Assets
Estimated useful lives	3 years
Customer contracts and relationships | Maximum
Finite-Lived Intangible Assets
Estimated useful lives	31 years
Other agreements
Finite-Lived Intangible Assets
Finite-lived intangible assets, cost	$ 36	63
Finite-lived intangible assets, accumulated amortization	(11)	(30)
Finite-lived intangible assets, net	$ 25	$ 33
Other agreements | Minimum
Finite-Lived Intangible Assets
Estimated useful lives	1 year
Other agreements | Maximum
Finite-Lived Intangible Assets
Estimated useful lives	70 years