Consolidated Statement of Stockholders' Equity - USD ($) $ in Millions	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2019	$ (1)	$ (1)	$ (1)
Balance at Dec. 31, 2019					$ 2	$ 2,386	$ 622	$ (150)	$ (987)	$ 1,873	$ 95	$ 1,968
Net income (loss)							(31)			(31)	10	(21)
Other comprehensive income (loss)									(40)	(40)	17	(23)
Common stock dividends and dividend equivalents							(15)			(15)		(15)
Distributions to noncontrolling interests											(11)	(11)
Purchase of noncontrolling interests						10				10	(23)	(13)
Sale of noncontrolling interests											2	2
Redeemable noncontrolling interests adjustment to redemption value							(38)			(38)		(38)
Deconsolidation of non-wholly owned subsidiary							(7)		1	(6)	(14)	(20)
Stock compensation						12				12		12
Stock withheld for employees taxes								(6)		(6)		(6)
Balance at Dec. 31, 2020					2	2,408	530	(156)	(1,026)	1,758	76	1,834
Net income (loss)							197			197	14	211
Other comprehensive income (loss)									41	41	(12)	29
Common stock dividends and dividend equivalents							(59)			(58)		(58)
Distributions to noncontrolling interests											(15)	(15)
Purchase of noncontrolling interests											(2)	(2)
Redeemable noncontrolling interests adjustment to redemption value							(6)			(6)		(6)
Deconsolidation of non-wholly owned subsidiary											(8)	(8)
Stock compensation						18				18		18
Stock withheld for employees taxes								(5)		(5)		(5)
Common stock dividends and dividend equivalents ($0.40 per share)						1
Common stock share repurchases								(23)		(23)		(23)
Sale of noncontrolling interests											(1)	(1)
Other											1	1
Balance at Dec. 31, 2021					2	2,427	662	(184)	(985)	1,922	53	1,975
Net income (loss)							(242)			(242)	15	(227)
Other comprehensive income (loss)									(16)	(16)	(5)	(21)
Common stock dividends and dividend equivalents							(58)			(57)		(57)
Distributions to noncontrolling interests											(9)	(9)
Purchase of noncontrolling interests										0	(2)	(2)
Redeemable noncontrolling interests adjustment to redemption value							(41)			(41)		(41)
Stock compensation						17				17		17
Stock withheld for employees taxes								(7)		(7)		(7)
Common stock dividends and dividend equivalents ($0.40 per share)						1
Common stock share repurchases								(25)		(25)		(25)
Retirement of treasury shares										0
Retirement of treasury shares						(216)
Retirement of treasury shares								216				0
Balance at Dec. 31, 2022					$ 2	$ 2,229	$ 321	$ 0	$ (1,001)	$ 1,551	$ 52	$ 1,603