Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Advances and other receivables, reserves	$ 150,000,000	$ 167,000,000
Accumulated depreciation	$ 112,000,000	$ 122,000,000
Preferred stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, liquidation preference	$ 0	$ 0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares, issued (in shares)	93,200,000	93,200,000
Treasury stock (in shares)	21,600,000	19,400,000