Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest in Consolidated Subsidiaries	Treasury Stock, Common
Beginning Balance at Dec. 31, 2022	$ 7,977	$ 2,664	$ 50	$ 10,572	$ (230)	$ 29	$ (5,108)
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	286	(1)	13	(98)	0	0	372
Stock repurchase program	(804)	0	0	0	0	0	(804)
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)
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	243	(1)	16	(105)	0	0	333
Stock repurchase program	(1,007)	0	0	0	0	0	(1,007)
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)
Net income (loss)	1,292	0	0	1,283	0	9	0
Other comprehensive income (loss)	(10)	0	0	0	(10)	0	0
Cash dividends	(579)	0	0	(579)	0		0
Cash dividends - Noncontrolling interest						0
Stock plans	265	(3)	29	0	0	0	239
Stock repurchase program	(1,008)	0	0	0	0	0	(1,008)
Other	(3)	0	4	0	0	(7)	0
Ending Balance at Dec. 31, 2025	$ 10,505	$ 2,659	$ 112	$ 15,036	$ (363)	$ 44	$ (6,983)