Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interest in Consolidated Subsidiaries	Treasury Stock, Common
Beginning balance at Dec. 31, 2021	$ 6,728	$ 2,665	$ 32	$ 9,710	$ (183)	$ 15	$ (5,511)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,595	0	0	1,572	0	23	0
Other comprehensive income (loss)	(47)	0	0	0	(47)	0	0
Cash dividends	(435)	0	0	(435)	0		0
Cash dividends - Noncontrolling interest						0
Stock plans	(395)	(1)	(18)	(275)	0	0	(653)
Stock repurchase program	(250)	0	0	0	0	0	(250)
Other	(9)	0	0	0	0	(9)	0
Ending balance at Dec. 31, 2022	$ 7,977	2,664	50	10,572	(230)	29	(5,108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Declared	$ 0.48
Net income (loss)	$ 2,662	0	0	2,638	0	24	0
Other comprehensive income (loss)	(101)	0	0	0	(101)	0	0
Cash dividends	(576)	0	0	(576)	0		0
Cash dividends - Noncontrolling interest						0
Stock plans	(282)	(1)	(13)	(98)	0	0	(368)
Stock repurchase program	(800)	0	0	0	0	0	(800)
Other	(11)	0	0	0	0	(11)	0
Ending balance at Dec. 31, 2023	$ 9,433	2,663	63	12,536	(331)	42	(5,540)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Declared	$ 0.64
Net income (loss)	$ 2,516	0	0	2,501	0	15	0
Other comprehensive income (loss)	(21)	0	0	0	(22)	1	0
Cash dividends	(600)	0	0	(600)	0		0
Cash dividends - Noncontrolling interest						0
Stock plans	(241)	(1)	(16)	(105)	0	0	(331)
Stock repurchase program	(1,005)	0	0	0	0	0	(1,005)
Other	(16)	0	0	0	0	(16)	0
Ending balance at Dec. 31, 2024	$ 10,548	$ 2,662	$ 79	$ 14,332	$ (353)	$ 42	$ (6,214)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Declared	$ 0.68