Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Open Market Repurchases [Member]	Common Stock [Member]	Treasury Stock [Member]	Treasury Stock [Member] Open Market Repurchases [Member]	Common Stock Shares Outstanding [Member]	Common Stock Shares Outstanding [Member] Open Market Repurchases [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Total Stockholders' Equity [Member]	Total Stockholders' Equity [Member] Cumulative Effect, Period of Adoption, Adjustment	Total Stockholders' Equity [Member] Open Market Repurchases [Member]	Noncontrolling Interest [Member]
Beginning Balance, Value at Dec. 31, 2019	$ 3,349	$ (620)		$ 4	$ (3,439)				$ 3,198	$ (91)	$ 3,664	$ (620)	$ 3,336	$ (620)		$ 13
Beginning Balance, Shares at Dec. 31, 2019				451,094,879	(235,658,196)		215,436,683
Accounting Standards Update Extensible Enumeration	ASU 2016-13 [Member]
Comprehensive income (loss):
Net income	$ 412										412		412
Other comprehensive income (loss), net of tax	(183)									(183)			(183)
Total comprehensive income (loss)	229												229
Cash dividends:
Common stock	(123)										(123)		(123)
Dividend equivalent units related to employee stock-based compensation plans	(2)										(2)		(2)
Issuance of common shares	$ 10								10				10
Issuance of common shares, Shares	2,700,000			2,684,096			2,684,096
Stock-based compensation expense	$ 18								18				18
Common stock repurchased			$ (400)			$ (400)	$ (400)								$ (400)
Common stock repurchased, shares						(30,628,580)	(30,600,000)	(30,628,580)
Shares repurchased related to employee stock-based compensation plans	$ (15)				$ (15)								(15)
Shares repurchased related to employee stock-based compensation plans, Shares	(1,200,000)				(1,189,745)		(1,189,745)
Net activity in noncontrolling interest	$ 1															1
Ending Balance, Value at Dec. 31, 2020	2,447			$ 4	$ (3,854)				3,226	(274)	3,331		2,433			14
Ending Balance, Shares at Dec. 31, 2020				453,778,975	(267,476,521)		186,302,454
Comprehensive income (loss):
Net income	717										717		717
Other comprehensive income (loss), net of tax	141									141			141
Total comprehensive income (loss)													858
Cash dividends:
Common stock	(107)										(107)		(107)
Dividend equivalent units related to employee stock-based compensation plans	(2)										(2)		(2)
Issuance of common shares	$ 34								34				34
Issuance of common shares, Shares	4,900,000			4,850,409			4,850,409
Stock-based compensation expense	$ 22								22				22
Common stock repurchased			(600)			$ (600)	$ (600)								(600)
Common stock repurchased, shares						(34,371,073)	(34,400,000)	(34,371,073)
Shares repurchased related to employee stock-based compensation plans	$ (41)				$ (41)								(41)
Shares repurchased related to employee stock-based compensation plans, Shares	(3,000,000.0)				(3,039,019)		(3,039,019)
Net activity in noncontrolling interest	$ (3)															(3)
Ending Balance, Value at Dec. 31, 2021	2,608			$ 4	$ (4,495)				3,282	(133)	3,939		2,597			11
Ending Balance, Shares at Dec. 31, 2021				458,629,384	(304,886,613)		153,742,771
Comprehensive income (loss):
Net income	645										645		645
Other comprehensive income (loss), net of tax	220									220			220
Total comprehensive income (loss)	865												865
Cash dividends:
Common stock	(91)										(91)		(91)
Dividend equivalent units related to employee stock-based compensation plans	(3)										(3)		(3)
Issuance of common shares	$ 12								12				12
Issuance of common shares, Shares	2,500,000			2,458,206			2,458,206
Stock-based compensation expense	$ 19								19				19
Common stock repurchased			$ (400)			$ (400)	$ (400)								$ (400)
Common stock repurchased, shares						(24,811,009)	(24,800,000)	(24,811,009)
Shares repurchased related to employee stock-based compensation plans	$ (22)				$ (22)								(22)
Shares repurchased related to employee stock-based compensation plans, Shares	(1,200,000)				(1,180,530)		(1,180,530)
Net activity in noncontrolling interest	$ (11)															$ (11)
Ending Balance, Value at Dec. 31, 2022	$ 2,977			$ 4	$ (4,917)				$ 3,313	$ 87	$ 4,490		$ 2,977
Ending Balance, Shares at Dec. 31, 2022				461,087,590	(330,878,152)		130,209,438