Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income/(Loss) before income taxes (in millions)
Income/(Loss) before income taxes	$ (3,016)	$ 17,780	$ (1,116)
Current Federal Tax Expense (Benefit)	68	102	(23)
Current
Non-U.S.	781	598	554
State and local	123	26	(45)
Total current	972	726	486
Deferred
Federal	(2,292)	2,290	(523)
Non-U.S.	688	(3,254)	168
State and local	(232)	108	29
Total deferred	(1,836)	(856)	(326)
Provision for/(Benefit from) income taxes (Note 7)	$ (864)	$ (130)	$ 160
Reconciliation of effective tax rate
U.S. statutory tax rate	21.00%	21.00%	21.00%
Non-U.S. tax rate differential	(8.70%)	1.30%	(2.60%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	2.30%	0.50%	8.90%
General business credits	13.00%	(2.30%)	35.10%
Nontaxable Foreign Currency Gains and Losses	(4.20%)	0.00%	(1.10%)
Effective Income Tax Rate Reconciliation, Disposition of Business, Percent	(7.00%)	(18.80%)	(0.40%)
Effective Income Tax Rate Reconciliation Foreign Operations Taxed In United States	2.80%	2.40%	28.10%
Prior year settlements and claims	1.50%	(0.30%)	8.30%
Effective Income Tax Rate Reconciliation, Export Incentives, Percent	2.00%	(0.60%)	(6.00%)
Enacted change in tax laws	(2.00%)	1.10%	1.50%
Valuation allowances	6.20%	(4.70%)	(108.80%)
Other	1.70%	(0.30%)	1.70%
Effective tax rate	28.60%	(0.70%)	(14.30%)
Undistributed Foreign Earnings, Deferred Taxes Not Provided	$ 14,800
Deferred tax assets
Employee benefit plans	1,960	$ 2,320
Deferred Tax Assets, Operating Loss Carryforwards	3,978	4,163
Net operating loss carryforwards	3,978	4,163
Tax credit carryforwards	9,354	10,437
Research expenditures	3,240	1,117
Dealer and dealers’ customer allowances and claims	2,192	1,944
Other foreign deferred tax assets	1,854	2,005
All other	2,201	2,353
Total gross deferred tax assets	24,779	24,339
Less: Valuation allowances	(822)	(1,067)
Total net deferred tax assets	23,957	23,272
Deferred tax liabilities
Leasing transactions	2,992	2,103
Depreciation and amortization (excluding leasing transactions)	3,116	2,881
Finance receivables	792	756
Deferred Tax Liabilities, Investments	487	2,149
Other foreign deferred tax liabilities	1,196	893
All other	1,371	2,275
Total deferred tax liabilities	9,954	11,057
Net deferred tax assets/(liabilities)	23,957	23,272
Deferred Tax Assets, Valuation Allowance	822	1,067
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(405)	(918)
Operating Loss Carryforwards	11,400
Tax Credit Carryforwards	9,400
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	2,910	1,913
Increase – tax positions in prior periods	338	1,054
Increase – tax positions in current period	17	25
Decrease – tax positions in prior periods	(236)	(54)
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	(2)
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities		1
Lapse of statute of limitations	(1)	(7)
Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation	(87)	(22)
Ending balance	2,939	2,910	$ 1,913
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	2,900	2,900
Unrecognized Tax Benefits, Interest on Income Taxes Expense	23	(7)	2
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	17	32
Income Taxes Paid, Net	$ 801	568	421
Tax Credit Carryforward Remaining Carryforward Period	6 years
Deferred Tax Assets, Net	$ 14,003	12,215
Change in Deferred Tax Not Recognized, Undistributed Earnings of Foreign Subsidiaries, Due to Restructuring		2,900
Deferred Tax Not Recognized, Amount of Unrecognized Deferred Tax, Undistributed Foreign Earnings, Deferred Taxes Not Provided	4,200	4,300
UNITED STATES
Income/(Loss) before income taxes (in millions)
Income/(Loss) before income taxes	(6,548)	10,043	(231)
Non-US
Income/(Loss) before income taxes (in millions)
Income/(Loss) before income taxes	3,532	$ 7,737	(885)
Deferred tax liabilities
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			$ 1,300
OperatingLossCarryforwardNotSubjectToExpiration [Member]
Deferred tax liabilities
Operating Loss Carryforwards	$ 3,100