Other Liabilities and Deferred Revenue (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Other liabilities and deferred revenue	$ 43,949	$ 42,546
Automotive [Member]
Other liabilities and deferred revenue	42,148	40,724
Liabilities, Current [Abstract]
Dealer and dealers' customer allowances and claims	9,013	8,122
Deferred revenue	5,020	4,559
Employee benefit plans	1,526	1,528
Accrued interest	233	255
Other postretirement employee benefits (OPEB)	358	354
Pension	266	248
Other	2,891	2,926
Total Automotive other liabilities and deferred revenue	19,307	17,992
Liabilities, Noncurrent [Abstract]
Pension	9,483	9,541
OPEB	5,411	5,347
Dealer and dealers' customer allowances and claims	2,734	2,731
Deferred revenue	2,989	2,833
Employee benefit plans	1,043	1,041
Other	1,181	1,239
Total Automotive other liabilities	22,841	22,732
Financial Services [Member]
Other liabilities and deferred revenue	$ 1,801	$ 1,822