CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Accounts Receivable, Allowance for Credit Loss, Current	$ 48	$ 52
Accounts Receivable, Allowance for Credit Loss, Noncurrent	$ 2	$ 2
Common stock, par value (in dollars per share)	$ 0.0000001
Common stock, shares authorized (in shares)	199,000,000
Common stock, shares issued (in shares)	115,000,000	114,000,000
Common stock, shares outstanding (in shares)		97,000,000
Treasury stock, at cost, shares held (in shares)	18,000,000	17,000,000