Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Allowance for doubtful accounts receivable	$ 2	$ 2
Total assets	9,701	9,743
Total liabilities	$ 5,420	$ 5,340
Common stock, par value (per share)	$ 0.01	$ 0.01
Common stock, authorized shares	6,000,000,000	6,000,000,000
Common stock, issued shares	225,352,740	236,888,804
Common stock, outstanding shares	224,840,982	236,483,990
Consolidated VIEs [Member]
Total assets	$ 237	$ 237
Total liabilities	$ 219	$ 219