Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Allowance for credit losses	$ 29	$ 28
Property and equipment, net, accumulated depreciation	497	460
Intangible assets, accumulated amortization	200	202
Other long-term assets, allowance for credit losses	$ 10	$ 10
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	1,600,000,000	1,600,000,000
Common stock, shares issued	145,847,721	144,656,649
Common stock, shares outstanding	127,003,107	125,812,035
Treasury stock, shares	18,844,614	18,844,614
Class B Common Stock
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	12,799,999	12,799,999
Common stock, shares outstanding	12,799,999	12,799,999