CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Accounts receivable, allowance for doubtful accounts		$ 5	$ 5
Assets	[1]	6,436	6,704
Liabilities	[1]	5,605	5,829
Consolidated VIEs
Assets		83	115
Liabilities		24	26
Consolidated VIEs | Recourse
Liabilities		$ 17	$ 18
Class A Common Stock
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, shares authorized (in shares)		500,000,000	500,000,000
Common stock, shares issued (in shares)		44,360,502	45,847,879
Common stock, shares outstanding (in shares)		44,360,502	45,847,879
Class B Common Stock
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, shares authorized (in shares)		140,000,000	140,000,000
Common stock, shares issued (in shares)		23,775,056	23,775,056
Common stock, shares outstanding (in shares)		23,775,056	23,775,056

[1] Our consolidated total assets as of March 31, 2023 and December 31, 2022 include total assets of variable interest entities ("VIE") of $83 million and $115 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of March 31, 2023 and December 31, 2022 include total liabilities of VIEs of $17 million and $18 million, respectively, for which the creditors of the VIEs have no recourse to us. See Note 8. Variable Interest Entities.