Guarantor Condensed Consolidating Financial Statements - Current Period Guarantor Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 5,201	$ 2,815
Finance receivables, net	39,882	33,475
Leased vehicles, net	39,725	34,342
Goodwill	1,198	1,196
Equity in net assets of non-consolidated affiliate (Note 6)	1,056	944
Related party receivables (Note 3)	383	347
Other assets (Note 8 VIEs)	4,377	3,695
Assets held for sale (Note 2)	11,689	10,951
Due from affiliates	0	0
Investment in affiliates	0	0
Total assets	103,511	87,765
Liabilities
Secured debt (Note 7; Note 8 VIEs)	38,828	35,087
Unsecured debt (Note 7)	39,651	29,476
Deferred income	2,830	2,355
Related party payables (Note 3)	273	320
Other liabilities	2,301	2,141
Liabilities held for sale (Note 2)	10,472	9,693
Due to affiliates	0	0
Total liabilities	94,355	79,072
Shareholder's equity
Common stock	0	0
Additional paid-in capital	6,518	6,505
Accumulated other comprehensive loss (Note 13)	(1,052)	(1,238)
Retained earnings	3,690	3,426
Total shareholder's equity	9,156	8,693
Total liabilities and shareholder's equity	103,511	87,765
Parent Company [Member]
Assets
Cash and cash equivalents		0
Finance receivables, net	0	0
Leased vehicles, net	0	0
Goodwill	1,095	1,095
Equity in net assets of non-consolidated affiliate (Note 6)	0	0
Related party receivables (Note 3)	0	0
Other assets (Note 8 VIEs)	774	506
Assets held for sale (Note 2)	0	0
Due from affiliates	33,781	24,548
Investment in affiliates	9,774	8,986
Total assets	45,424	35,135
Liabilities
Secured debt (Note 7; Note 8 VIEs)	0	0
Unsecured debt (Note 7)	35,829	26,076
Deferred income	0	0
Related party payables (Note 3)	1	1
Other liabilities	438	365
Liabilities held for sale (Note 2)	0	0
Due to affiliates	0	0
Total liabilities	36,268	26,442
Shareholder's equity
Common stock	0	0
Additional paid-in capital	6,518	6,505
Accumulated other comprehensive loss (Note 13)	(1,052)	(1,238)
Retained earnings	3,690	3,426
Total shareholder's equity	9,156	8,693
Total liabilities and shareholder's equity	45,424	35,135
Guarantor [Member]
Assets
Cash and cash equivalents		2,284
Finance receivables, net	9,023	4,969
Leased vehicles, net	0	0
Goodwill	0	0
Equity in net assets of non-consolidated affiliate (Note 6)	0	0
Related party receivables (Note 3)	56	25
Other assets (Note 8 VIEs)	983	884
Assets held for sale (Note 2)	0	0
Due from affiliates	19,949	16,065
Investment in affiliates	5,826	6,445
Total assets	40,523	30,672
Liabilities
Secured debt (Note 7; Note 8 VIEs)	0	0
Unsecured debt (Note 7)	0	0
Deferred income	0	0
Related party payables (Note 3)	0	0
Other liabilities	694	690
Liabilities held for sale (Note 2)	0	0
Due to affiliates	33,601	24,437
Total liabilities	34,295	25,127
Shareholder's equity
Common stock	0	0
Additional paid-in capital	79	79
Accumulated other comprehensive loss (Note 13)	(137)	(161)
Retained earnings	6,286	5,627
Total shareholder's equity	6,228	5,545
Total liabilities and shareholder's equity	40,523	30,672
Non-Guarantors [Member]
Assets
Cash and cash equivalents		531
Finance receivables, net	30,859	28,506
Leased vehicles, net	39,725	34,342
Goodwill	103	101
Equity in net assets of non-consolidated affiliate (Note 6)	1,056	944
Related party receivables (Note 3)	327	322
Other assets (Note 8 VIEs)	3,676	3,065
Assets held for sale (Note 2)	11,694	10,959
Due from affiliates	0	0
Investment in affiliates	0	0
Total assets	87,955	78,770
Liabilities
Secured debt (Note 7; Note 8 VIEs)	39,114	35,256
Unsecured debt (Note 7)	3,822	3,400
Deferred income	2,830	2,355
Related party payables (Note 3)	272	319
Other liabilities	1,939	1,677
Liabilities held for sale (Note 2)	10,475	9,694
Due to affiliates	20,131	16,183
Total liabilities	78,583	68,884
Shareholder's equity
Common stock	698	698
Additional paid-in capital	4,200	5,345
Accumulated other comprehensive loss (Note 13)	(1,013)	(1,223)
Retained earnings	5,487	5,066
Total shareholder's equity	9,372	9,886
Total liabilities and shareholder's equity	87,955	78,770
Eliminations [Member]
Assets
Cash and cash equivalents		0
Finance receivables, net	0	0
Leased vehicles, net	0	0
Goodwill	0	0
Equity in net assets of non-consolidated affiliate (Note 6)	0	0
Related party receivables (Note 3)	0	0
Other assets (Note 8 VIEs)	(1,056)	(760)
Assets held for sale (Note 2)	(5)	(8)
Due from affiliates	(53,730)	(40,613)
Investment in affiliates	(15,600)	(15,431)
Total assets	(70,391)	(56,812)
Liabilities
Secured debt (Note 7; Note 8 VIEs)	(286)	(169)
Unsecured debt (Note 7)	0	0
Deferred income	0	0
Related party payables (Note 3)	0	0
Other liabilities	(770)	(591)
Liabilities held for sale (Note 2)	(3)	(1)
Due to affiliates	(53,732)	(40,620)
Total liabilities	(54,791)	(41,381)
Shareholder's equity
Common stock	(698)	(698)
Additional paid-in capital	(4,279)	(5,424)
Accumulated other comprehensive loss (Note 13)	1,150	1,384
Retained earnings	(11,773)	(10,693)
Total shareholder's equity	(15,600)	(15,431)
Total liabilities and shareholder's equity	$ (70,391)	$ (56,812)