CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - Parenthetical - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Accounts receivable, reserves	$ 6	$ 8
Property and equipment, accumulated depreciation	$ 101	$ 84
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Liquidation preference per share (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	250,000	250,000
Preferred stock shares issued (in shares)	90,632	90,632
Preferred stock, shares outstanding (in shares)	90,632	90,632
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	675,000,000	675,000,000
Common stock, shares issued (in shares)	127,363,432	111,620,507
Common stock, shares outstanding (in shares)	127,363,432	111,620,507