CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (PARENTHETICAL) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 20	$ 18
Accumulated depreciation	$ 2,673	$ 2,594
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized	6,000,000,000
Common stock issued, shares	501,891,243	501,891,243
Common stock, shares outstanding	456,947,205	458,367,358
Treasury stock, shares	44,944,038	43,523,885
Restricted cash	$ 2	$ 2