Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	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]
Beginning Balance, Value at Dec. 31, 2022	$ 2,977	$ 4	$ (4,917)				$ 3,313	$ 87	$ 4,490
Beginning Balance, Shares at Dec. 31, 2022		461,087,590	(330,878,152)		130,209,438
Comprehensive income (loss):
Net Income (Loss)	177								177
Other comprehensive income (loss), net of tax	(22)							(22)
Total comprehensive income	155
Cash dividends:
Common stock	(40)								(40)
Dividend equivalent units related to employee stock-based compensation plans	(2)								(2)
Issuance of common shares	$ 13						13
Issuance of common shares, Shares	2,400,000	2,447,191			2,447,191
Stock-based compensation expense	$ 17						17
Common stock repurchased	(165)			$ (165)	$ (165)
Common stock repurchased, shares				(9,775,223)	(9,800,000)	(9,775,223)
Shares repurchased related to employee stock-based compensation plans	$ (24)		$ (24)
Shares repurchased related to employee stock-based compensation plans, Shares	(1,300,000)		(1,279,542)		(1,279,542)
Other	$ (1)		$ (1)
Ending Balance, Value at Jun. 30, 2023	2,930	$ 4	$ (5,107)				3,343	65	4,625
Ending Balance, Shares at Jun. 30, 2023		463,534,781	(341,932,917)		121,601,864
Beginning Balance, Value at Mar. 31, 2023	2,958	$ 4	$ (5,026)				3,335	66	4,579
Beginning Balance, Shares at Mar. 31, 2023		463,508,522	(337,043,677)		126,464,845
Comprehensive income (loss):
Net Income (Loss)	66								66
Other comprehensive income (loss), net of tax	(1)							(1)
Total comprehensive income	65
Cash dividends:
Common stock	$ (20)								(20)
Issuance of common shares, Shares	0	26,259			26,259
Stock-based compensation expense	$ 8						8
Common stock repurchased	$ (80)			$ (80)	$ (80)
Common stock repurchased, shares				(4,886,411)	(4,900,000)	(4,886,411)
Shares repurchased related to employee stock-based compensation plans, Shares	0		(2,829)		(2,829)
Other	$ (1)		$ (1)
Ending Balance, Value at Jun. 30, 2023	2,930	$ 4	$ (5,107)				3,343	65	4,625
Ending Balance, Shares at Jun. 30, 2023		463,534,781	(341,932,917)		121,601,864
Beginning Balance, Value at Dec. 31, 2023	2,760	$ 4	$ (5,254)				3,353	19	4,638
Beginning Balance, Shares at Dec. 31, 2023		463,715,048	(350,210,737)		113,504,311
Comprehensive income (loss):
Net Income (Loss)	109								109
Other comprehensive income (loss), net of tax	(9)							(9)
Total comprehensive income	100
Cash dividends:
Common stock	(35)								(35)
Dividend equivalent units related to employee stock-based compensation plans	(2)								(2)
Issuance of common shares	$ 2						2
Issuance of common shares, Shares	1,400,000	1,393,083			1,393,083
Stock-based compensation expense	$ 12						12
Common stock repurchased	(81)			$ (81)	$ (81)
Common stock repurchased, shares				(5,017,909)	(5,000,000)	(5,017,909)
Shares repurchased related to employee stock-based compensation plans	$ (7)		$ (7)
Shares repurchased related to employee stock-based compensation plans, Shares	(500,000)		(469,391)		(469,391)
Other	$ (1)		$ (1)
Ending Balance, Value at Jun. 30, 2024	2,748	$ 4	$ (5,343)				3,367	10	4,710
Ending Balance, Shares at Jun. 30, 2024		465,108,131	(355,698,037)		109,410,094
Beginning Balance, Value at Mar. 31, 2024	2,766	$ 4	$ (5,304)				3,360	15	4,691
Beginning Balance, Shares at Mar. 31, 2024		465,031,305	(353,206,556)		111,824,749
Comprehensive income (loss):
Net Income (Loss)	36								36
Other comprehensive income (loss), net of tax	(5)							(5)
Total comprehensive income	31
Cash dividends:
Common stock	$ (17)								(17)
Issuance of common shares, Shares	100,000	76,826			76,826
Stock-based compensation expense	$ 7						7
Common stock repurchased	$ (38)			$ (38)	$ (38)
Common stock repurchased, shares				(2,466,060)	(2,500,000)	(2,466,060)
Shares repurchased related to employee stock-based compensation plans, Shares	0		(25,421)		(25,421)
Other	$ (1)		$ (1)
Ending Balance, Value at Jun. 30, 2024	$ 2,748	$ 4	$ (5,343)				$ 3,367	$ 10	$ 4,710
Ending Balance, Shares at Jun. 30, 2024		465,108,131	(355,698,037)		109,410,094