Other Liabilities and Deferred Revenue (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Other liabilities and deferred revenue	$ 42,513	$ 43,577
Automotive [Member]
Other liabilities and deferred revenue	40,719	41,727
Liabilities, Current [Abstract]
Dealer and dealers' customer allowances and claims	7,496	7,846
Deferred revenue	4,906	3,923
Employee benefit plans	1,348	1,994
Accrued interest	195	222
Other postretirement employee benefits (OPEB)	376	397
Pension	307	374
Other	2,881	3,178
Total Automotive other liabilities and deferred revenue	17,509	17,934
Liabilities, Noncurrent [Abstract]
Pension	9,209	9,721
OPEB	5,708	5,991
Dealer and dealers' customer allowances and claims	3,042	2,852
Deferred revenue	2,874	2,686
Employee benefit plans	1,109	1,149
Other	1,268	1,394
Total Automotive other liabilities	23,210	23,793
Financial Services [Member]
Other liabilities and deferred revenue	$ 1,794	$ 1,850