Income Taxes (Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Allowance for doubtful accounts	$ 20	$ 18
Inventories	114	120
Pension and postretirement benefits	0	25
Environmental and regulatory compliance	38	37
Other accruals and prepayments	631	574
Stock-based compensation expense	122	115
Operating lease liabilities	255	252
Research and development expense	584	441
Tax credit and loss carryforwards	760	557
Valuation allowances	(232)	(234)
Total deferred tax asset	2,292	1,905
Deferred tax liabilities:
Pension and postretirement benefits	(9)	0
Property, plant and equipment	(136)	(125)
Insurance, including self-insurance	(400)	(315)
Operating lease ROU assets	(238)	(228)
Goodwill and other intangibles	(3,300)	(3,429)
Total deferred tax liability	(4,083)	(4,097)
Net deferred tax liability	$ (1,791)	$ (2,192)