Valuation and Qualifying Accounts - Summary of Activity for Valuation Allowances (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance, Accounts receivable allowance	$ (34)	$ (20)	$ (20)
Charged to costs and expenses, Accounts receivable allowance	(13)	(26)	(10)
Deductions, Accounts receivable allowance	15	14	10
Ending balance, Accounts receivable allowance	(32)	(34)	(20)	$ (20)
Beginning balance, Deferred tax assets valuation allowance	(15)	(9)	(5)
Charged to costs and expenses, Deferred tax assets valuation allowance	(4)	(6)	(4)
Deductions, Deferred tax assets valuation allowance	1	0	0
Ending balance, Deferred tax assets valuation allowance	$ (18)	$ (15)	$ (9)	$ (5)
Accounting Standards Update [Extensible List]		Accounting Standards Update 2016-13	Accounting Standards Update 2016-13	Accounting Standards Update 2018-02
Cumulative Effect, Period of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance, Accounts receivable allowance		$ 2
Ending balance, Accounts receivable allowance			$ 2