CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net cash provided by/(used in) operating activities	$ 16,994	$ 14,078
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Capital spending	(4,912)	(5,358)
Acquisitions of finance receivables and operating leases	(43,746)	(43,762)
Collections of finance receivables and operating leases	30,254	28,632
Purchases of equity and debt securities	(22,049)	(29,493)
Sales and maturities of equity and debt securities	22,022	32,874
Settlements of derivatives	330	26
Other	43	417
Net cash provided by/(used in) investing activities	(18,058)	(16,664)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Cash dividends	(2,780)	(1,785)
Purchases of Common Stock	(145)	(129)
Net changes in short-term debt	1,200	844
Proceeds from issuance of other debt	31,956	35,876
Principal payments on other debt	(30,019)	(27,366)
Other	(44)	(303)
Net cash provided by/(used in) financing activities	168	7,137
Effect of exchange rate changes on cash and cash equivalents	(36)	(622)
Cash and cash equivalents at January 1	14,272	10,757
Net increase/(decrease) in cash and cash equivalents	(932)	3,929
Cash and cash equivalents at September 30	$ 13,340	$ 14,686