Schedule II - Condensed Financial Information of Registrant (Parent Company Only) - Condensed Statements of Stockholders' Equity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	$ (38)	$ (400)	$ (125)
Stock-based compensation	(14)	(11)	(12)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(6)	(3)	(3)
Ending balance	1,098	1,140	1,536
Stockholders' Equity Attributable to Parent	1,038	1,080
Noncontrolling Interest, Change in Redemption Value	(12)
Accounting Standards Update 2016-13 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of New Accounting Principle	(4)
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(17)	(437)	(216)
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(4)	(2)	(3)
Ending balance	726	759	1,203
Noncontrolling Interest, Change in Redemption Value	(12)
Retained Earnings [Member] | Accounting Standards Update 2016-13 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of New Accounting Principle	(4)
AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(21)	37	91
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0
Ending balance	58	79	42
Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0	0	0
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0
Ending balance	0	0	0
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0	0	0
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0
Ending balance	0	0	0
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0	0	0
Stock-based compensation	(14)	(11)	(12)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0
Ending balance	257	242	232
Common Stock Held in Treasury, at Cost [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0	0	0
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(2)	(1)	0
Ending balance	(3)	(1)	0
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	0	0	0
Stock-based compensation	0	0	0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0	0	0
Ending balance	60	60	60
Parent Company [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(38)	(400)	(125)
Stock-based compensation	(14)	(11)	(12)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(6)	(3)	(3)
Stockholders' Equity Attributable to Parent	1,038	1,080	1,477	$ 1,592
Parent Company [Member] | Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(17)	(437)	(216)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(4)	(2)	(3)
Stockholders' Equity Attributable to Parent	726	759	1,203	1,421
Parent Company [Member] | AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income (loss)	(21)	37	91
Stockholders' Equity Attributable to Parent	58	79	42	(49)
Parent Company [Member] | Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity Attributable to Parent	0	0	0	0
Parent Company [Member] | Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity Attributable to Parent	0	0	0	0
Parent Company [Member] | Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	(14)	(11)	(12)
Stockholders' Equity Attributable to Parent	257	242	232	219
Parent Company [Member] | Common Stock Held in Treasury, at Cost [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(2)	(1)	0
Stockholders' Equity Attributable to Parent	$ (3)	$ (1)	$ 0	$ 0