Accrued and Other Liabilities - Accrued and Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Accrued liabilities
Dealer and customer allowances, claims and discounts	$ 6,065	$ 4,813
Deferred revenue	2,802	2,489
Product warranty and related liabilities	3,285	3,042
Payrolls and employee benefits excluding postemployment benefits	3,099	3,298
Other	12,113	11,268
Total accrued liabilities	27,364	24,910
Other liabilities
Deferred revenue	5,019	3,552
Product warranty and related liabilities	6,011	5,488
Operating lease liabilities	907	967
Employee benefits excluding postemployment benefits	518	512
Postemployment benefits including facility idling reserves	151	507
Other	3,909	3,740
Total other liabilities	$ 16,515	$ 14,767
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Total other liabilities	Total other liabilities