Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Millions	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit) [Member]	Total Company Stockholders' Equity [Member]	Noncontrolling Interests [Member]
Beginning Balance at Dec. 31, 2020	$ 5,279,000,000	$ 4,000,000	$ 8,591,000,000	$ (1,509,000,000)	$ (1,876,000,000)	$ 5,210,000,000	$ 69,000,000
Beginning Balance, Shares at Dec. 31, 2020		388
Net income (loss)	(114,000,000)				(115,000,000)	(115,000,000)	1,000,000
Other comprehensive income (loss), net	(21,000,000)			(21,000,000)		(21,000,000)
Stock-based compensation	20,000,000		20,000,000			20,000,000
Common stock issued, shares		2
Withholding taxes	(13,000,000)		(13,000,000)			(13,000,000)
Other	(1,000,000)						(1,000,000)
Ending Balance at Mar. 31, 2021	5,150,000,000	$ 4,000,000	8,598,000,000	(1,530,000,000)	(1,991,000,000)	5,081,000,000	69,000,000
Ending Balance, Shares at Mar. 31, 2021		390
Beginning Balance at Dec. 31, 2020	5,279,000,000	$ 4,000,000	8,591,000,000	(1,509,000,000)	(1,876,000,000)	5,210,000,000	69,000,000
Beginning Balance, Shares at Dec. 31, 2020		388
Net income (loss)	(137,000,000)
Cash dividends, per common share	0
Ending Balance at Jun. 30, 2021	5,178,000,000	$ 4,000,000	8,618,000,000	(1,497,000,000)	(2,017,000,000)	5,108,000,000	70,000,000
Ending Balance, Shares at Jun. 30, 2021		391
Beginning Balance at Mar. 31, 2021	5,150,000,000	$ 4,000,000	8,598,000,000	(1,530,000,000)	(1,991,000,000)	5,081,000,000	69,000,000
Beginning Balance, Shares at Mar. 31, 2021		390
Net income (loss)	(23,000,000)				(26,000,000)	(26,000,000)	3,000,000
Other comprehensive income (loss), net	33,000,000			33,000,000		33,000,000
Cash dividends, per common share	0
Stock-based compensation	20,000,000		20,000,000			20,000,000
Common stock issued, shares		1
Other	(2,000,000)						(2,000,000)
Ending Balance at Jun. 30, 2021	5,178,000,000	$ 4,000,000	8,618,000,000	(1,497,000,000)	(2,017,000,000)	5,108,000,000	70,000,000
Ending Balance, Shares at Jun. 30, 2021		391
Beginning Balance at Dec. 31, 2021	5,064,000,000	$ 4,000,000	8,685,000,000	(1,546,000,000)	(2,146,000,000)	4,997,000,000	67,000,000
Beginning Balance, Shares at Dec. 31, 2021		393
Net income (loss)	(49,000,000)				(50,000,000)	(50,000,000)	1,000,000
Other comprehensive income (loss), net	14,000,000			14,000,000		14,000,000
Cash dividends, per common share	(20,000,000)				(20,000,000)	(20,000,000)
Stock-based compensation	17,000,000		17,000,000			17,000,000
Withholding taxes	(12,000,000)		(12,000,000)			(12,000,000)
Other	(4,000,000)						(4,000,000)
Ending Balance at Mar. 31, 2022	5,010,000,000	$ 4,000,000	8,690,000,000	(1,532,000,000)	(2,216,000,000)	4,946,000,000	64,000,000
Ending Balance, Shares at Mar. 31, 2022		393
Beginning Balance at Dec. 31, 2021	5,064,000,000	$ 4,000,000	8,685,000,000	(1,546,000,000)	(2,146,000,000)	4,997,000,000	67,000,000
Beginning Balance, Shares at Dec. 31, 2021		393
Net income (loss)	21,000,000
Cash dividends, per common share	(39,000,000)
Ending Balance at Jun. 30, 2022	4,972,000,000	$ 4,000,000	8,700,000,000	(1,629,000,000)	(2,166,000,000)	4,909,000,000	63,000,000
Ending Balance, Shares at Jun. 30, 2022		393
Beginning Balance at Mar. 31, 2022	5,010,000,000	$ 4,000,000	8,690,000,000	(1,532,000,000)	(2,216,000,000)	4,946,000,000	64,000,000
Beginning Balance, Shares at Mar. 31, 2022		393
Net income (loss)	70,000,000				69,000,000	69,000,000	1,000,000
Other comprehensive income (loss), net	(97,000,000)			(97,000,000)		(97,000,000)
Cash dividends, per common share	(19,000,000)				(19,000,000)	(19,000,000)
Stock-based compensation	16,000,000		16,000,000			16,000,000
Other	(8,000,000)		(6,000,000)			(6,000,000)	(2,000,000)
Ending Balance at Jun. 30, 2022	$ 4,972,000,000	$ 4,000,000	$ 8,700,000,000	$ (1,629,000,000)	$ (2,166,000,000)	$ 4,909,000,000	$ 63,000,000
Ending Balance, Shares at Jun. 30, 2022		393