Shareholders' Equity (Details) - USD ($)		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Issued		1,064,000,000	1,065,000,000
Treasury stock, shares		(229,000,000)	(197,000,000)
Total shares of common stock outstanding		835,000,000	868,000,000
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract]
Stock Repurchased During Period, Shares		42,400,000	30,500,000
Share Repurchase Program, Authorized, Amount		$ 2,000,000,000.0
Number of shares of common stock repurchased from inception (in shares)		326,000,000
Approximate value of shares of common stock repurchased from inception		$ 12,100,000,000
Stock plans		$ 265,000,000	$ 243,000,000	$ 286,000,000
Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract]
Preferred stock, shares authorized		5,000,000
Preferred stock, shares issued		0
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Cumulative translation adjustments		$ (81,000,000)	(82,000,000)
Defined benefit and other postretirement liability adjustments	[1]	(245,000,000)	(234,000,000)
Other		(37,000,000)	(37,000,000)
Total accumulated other comprehensive loss		(363,000,000)	(353,000,000)
Net actuarial losses		243,000,000	233,000,000
Retained Earnings
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract]
Stock plans		$ 0	$ (105,000,000)	$ (98,000,000)

[1] Included net actuarial losses for our international pension plans of $243 million at December 31, 2025 and $233 million at December 31, 2024.