CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Accounts receivable, allowance for doubtful accounts		$ 7	$ 7
Assets	[1]	6,662	12,541
Liabilities	[1]	5,775	14,050
Consolidated VIEs
Assets		118	217
Liabilities		26	72
Consolidated VIEs | Recourse
Liabilities		$ 17	$ 62
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)		47,934,815	49,314,303
Common Stock, shares outstanding (in shares)		47,934,815	49,314,303
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, 2022 and December 31, 2021 include total assets of variable interest entities (VIEs) of $118 million and $217 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of March 31, 2022 and December 31, 2021 include total liabilities of VIEs of $17 million and $62 million, respectively, for which the creditors of the VIEs have no recourse to us. See Note 9. Variable Interest Entities.