Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets
Postretirement benefits other than pensions	$ 1,062	$ 1,024
Pension and other employee benefit plans	989	1,421
Warranties, dealer and customer allowances, claims, and discounts	4,803	4,215
Deferred revenue	2,162	1,565
Miscellaneous	3,429	2,737
Total deferred tax assets before valuation allowances	34,936	32,894
Less: valuation allowances	(6,842)	(6,529)
Total deferred tax assets	28,094	26,365
Deferred tax liabilities
Property, plant, and equipment	5,087	5,111
Intangible assets	631	635
Total deferred tax liabilities	5,718	5,746
Net deferred tax assets	22,376	20,619
U.S. federal
Deferred tax liabilities
Operating loss carryforwards	385
Operating loss carryforwards, not subject to expiration	129
Tax credit carryforwards	6,900
Tax credit carryforwards indefinitely	484
U.S. federal \| Tax Year 2042
Deferred tax liabilities
Operating loss carryforwards, subject to expiration	256
U.S. federal \| Tax Year 2044
Deferred tax liabilities
Tax credit carryforwards, subject to expiration	6,400
Non-U.S.
Deferred tax liabilities
Operating loss carryforwards	5,500
Operating loss carryforwards, not subject to expiration	5,100
Tax credit carryforwards	67
Non-U.S. \| Tax Year 2044
Deferred tax liabilities
Operating loss carryforwards, subject to expiration	339
U.S.
Deferred tax assets
U.S. capitalized research expenditures	9,704	10,111
Operating loss and tax credit carryforwards	7,237	6,582
Non-U.S.
Deferred tax assets
Operating loss and tax credit carryforwards	5,550	5,239
Germany, Spain, South Korea, United States and Brazil
Deferred tax assets
Less: valuation allowances	$ (6,800)	$ (6,500)

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to research and development costs that are expensed in accordance with generally accepted accounting principles but capitalized for income tax purposes.

No definition available.