Loans and Related Allowance for Credit Losses, Consumer Loan Categories by FICO and Vintage (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Total Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	$ 62,395	$ 101,969
Term loans by origination year, fiscal year before current fiscal year, finance receivable	89,654	55,214
Term loans by origination year, two years before current fiscal year, finance receivable	47,141	34,661
Term loans by origination year, three years before current fiscal year, finance receivable	27,331	11,714
Term loans by origination year, four years before current fiscal year, finance receivable	8,545	15,842
Term loans by origination year, more than five years before current fiscal year, finance receivable	73,600	77,309
Revolving loans, finance receivable	79,657	78,564
Revolving loans converted to term loans, finance receivable	7,613	7,001
Loans	395,936	382,274
Residential mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	43,459	70,176
Term loans by origination year, fiscal year before current fiscal year, finance receivable	66,566	41,794
Term loans by origination year, two years before current fiscal year, finance receivable	37,996	25,234
Term loans by origination year, three years before current fiscal year, finance receivable	21,432	8,122
Term loans by origination year, four years before current fiscal year, finance receivable	6,579	14,245
Term loans by origination year, more than five years before current fiscal year, finance receivable	72,770	76,380
Revolving loans, finance receivable	12,033	16,305
Revolving loans converted to term loans, finance receivable	7,230	6,632
Loans	268,065	258,888
Residential mortgage - first lien [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	43,438	70,148
Term loans by origination year, fiscal year before current fiscal year, finance receivable	66,534	41,774
Term loans by origination year, two years before current fiscal year, finance receivable	37,979	25,203
Term loans by origination year, three years before current fiscal year, finance receivable	21,410	8,095
Term loans by origination year, four years before current fiscal year, finance receivable	6,559	14,223
Term loans by origination year, more than five years before current fiscal year, finance receivable	72,181	75,618
Revolving loans, finance receivable	3,872	5,313
Revolving loans converted to term loans, finance receivable	2,192	1,896
Loans	254,165	242,270
Residential mortgage - first lien [Member] | Government insured or guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	5	14
Term loans by origination year, fiscal year before current fiscal year, finance receivable	54	134
Term loans by origination year, two years before current fiscal year, finance receivable	135	209
Term loans by origination year, three years before current fiscal year, finance receivable	144	349
Term loans by origination year, four years before current fiscal year, finance receivable	203	364
Term loans by origination year, more than five years before current fiscal year, finance receivable	7,883	12,088
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	8,424	13,158
Residential mortgage - first lien [Member] | FICO 800 or more [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	21,517	35,935
Term loans by origination year, fiscal year before current fiscal year, finance receivable	43,132	27,396
Term loans by origination year, two years before current fiscal year, finance receivable	26,589	16,583
Term loans by origination year, three years before current fiscal year, finance receivable	14,647	5,153
Term loans by origination year, four years before current fiscal year, finance receivable	4,258	9,430
Term loans by origination year, more than five years before current fiscal year, finance receivable	38,776	37,495
Revolving loans, finance receivable	1,912	2,554
Revolving loans converted to term loans, finance receivable	617	469
Loans	151,448	135,015
Residential mortgage - first lien [Member] | FICO 760-799 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	14,432	23,645
Term loans by origination year, fiscal year before current fiscal year, finance receivable	15,486	9,814
Term loans by origination year, two years before current fiscal year, finance receivable	7,464	5,412
Term loans by origination year, three years before current fiscal year, finance receivable	4,154	1,464
Term loans by origination year, four years before current fiscal year, finance receivable	1,165	2,485
Term loans by origination year, more than five years before current fiscal year, finance receivable	10,770	10,509
Revolving loans, finance receivable	777	1,073
Revolving loans converted to term loans, finance receivable	327	265
Loans	54,575	54,667
Residential mortgage - first lien [Member] | FICO 720-759 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	5,131	7,842
Term loans by origination year, fiscal year before current fiscal year, finance receivable	5,537	3,083
Term loans by origination year, two years before current fiscal year, finance receivable	2,675	1,980
Term loans by origination year, three years before current fiscal year, finance receivable	1,606	642
Term loans by origination year, four years before current fiscal year, finance receivable	534	1,137
Term loans by origination year, more than five years before current fiscal year, finance receivable	6,171	6,277
Revolving loans, finance receivable	483	646
Revolving loans converted to term loans, finance receivable	284	238
Loans	22,421	21,845
Residential mortgage - first lien [Member] | FICO 680-719 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	1,711	1,986
Term loans by origination year, fiscal year before current fiscal year, finance receivable	1,622	876
Term loans by origination year, two years before current fiscal year, finance receivable	772	645
Term loans by origination year, three years before current fiscal year, finance receivable	531	283
Term loans by origination year, four years before current fiscal year, finance receivable	215	501
Term loans by origination year, more than five years before current fiscal year, finance receivable	3,439	3,682
Revolving loans, finance receivable	300	393
Revolving loans converted to term loans, finance receivable	223	206
Loans	8,813	8,572
Residential mortgage - first lien [Member] | FICO 640-679 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	450	449
Term loans by origination year, fiscal year before current fiscal year, finance receivable	445	233
Term loans by origination year, two years before current fiscal year, finance receivable	165	187
Term loans by origination year, three years before current fiscal year, finance receivable	188	89
Term loans by origination year, four years before current fiscal year, finance receivable	91	129
Term loans by origination year, more than five years before current fiscal year, finance receivable	1,659	1,851
Revolving loans, finance receivable	142	188
Revolving loans converted to term loans, finance receivable	148	146
Loans	3,288	3,272
Residential mortgage - first lien [Member] | FICO 600-639 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	89	101
Term loans by origination year, fiscal year before current fiscal year, finance receivable	93	63
Term loans by origination year, two years before current fiscal year, finance receivable	65	46
Term loans by origination year, three years before current fiscal year, finance receivable	44	31
Term loans by origination year, four years before current fiscal year, finance receivable	23	41
Term loans by origination year, more than five years before current fiscal year, finance receivable	940	1,035
Revolving loans, finance receivable	62	102
Revolving loans converted to term loans, finance receivable	81	89
Loans	1,397	1,508
Residential mortgage - first lien [Member] | FICO less than 600 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	57	15
Term loans by origination year, fiscal year before current fiscal year, finance receivable	41	13
Term loans by origination year, two years before current fiscal year, finance receivable	21	24
Term loans by origination year, three years before current fiscal year, finance receivable	24	19
Term loans by origination year, four years before current fiscal year, finance receivable	19	41
Term loans by origination year, more than five years before current fiscal year, finance receivable	900	1,083
Revolving loans, finance receivable	70	114
Revolving loans converted to term loans, finance receivable	134	124
Loans	1,266	1,433
Residential mortgage - first lien [Member] | No FICO available [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	46	161
Term loans by origination year, fiscal year before current fiscal year, finance receivable	124	162
Term loans by origination year, two years before current fiscal year, finance receivable	93	117
Term loans by origination year, three years before current fiscal year, finance receivable	72	65
Term loans by origination year, four years before current fiscal year, finance receivable	51	95
Term loans by origination year, more than five years before current fiscal year, finance receivable	1,643	1,598
Revolving loans, finance receivable	126	243
Revolving loans converted to term loans, finance receivable	378	359
Loans	2,533	2,800
Residential mortgage - junior lien [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	21	28
Term loans by origination year, fiscal year before current fiscal year, finance receivable	32	20
Term loans by origination year, two years before current fiscal year, finance receivable	17	31
Term loans by origination year, three years before current fiscal year, finance receivable	22	27
Term loans by origination year, four years before current fiscal year, finance receivable	20	22
Term loans by origination year, more than five years before current fiscal year, finance receivable	589	762
Revolving loans, finance receivable	8,161	10,992
Revolving loans converted to term loans, finance receivable	5,038	4,736
Loans	13,900	16,618
Residential mortgage - junior lien [Member] | FICO 800 or more [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	143	188
Revolving loans, finance receivable	4,215	5,512
Revolving loans converted to term loans, finance receivable	1,683	1,481
Loans	6,041	7,181
Residential mortgage - junior lien [Member] | FICO 760-799 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	84	110
Revolving loans, finance receivable	1,622	2,154
Revolving loans converted to term loans, finance receivable	875	828
Loans	2,581	3,092
Residential mortgage - junior lien [Member] | FICO 720-759 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	101	130
Revolving loans, finance receivable	1,081	1,462
Revolving loans converted to term loans, finance receivable	812	790
Loans	1,994	2,382
Residential mortgage - junior lien [Member] | FICO 680-719 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	86	118
Revolving loans, finance receivable	611	881
Revolving loans converted to term loans, finance receivable	630	633
Loans	1,327	1,632
Residential mortgage - junior lien [Member] | FICO 640-679 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	47	65
Revolving loans, finance receivable	233	325
Revolving loans converted to term loans, finance receivable	327	338
Loans	607	728
Residential mortgage - junior lien [Member] | FICO 600-639 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	26	39
Revolving loans, finance receivable	113	160
Revolving loans converted to term loans, finance receivable	184	208
Loans	323	407
Residential mortgage - junior lien [Member] | FICO less than 600 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	34	43
Revolving loans, finance receivable	107	164
Revolving loans converted to term loans, finance receivable	209	215
Loans	350	422
Residential mortgage - junior lien [Member] | No FICO available [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	21	28
Term loans by origination year, fiscal year before current fiscal year, finance receivable	32	20
Term loans by origination year, two years before current fiscal year, finance receivable	17	31
Term loans by origination year, three years before current fiscal year, finance receivable	22	27
Term loans by origination year, four years before current fiscal year, finance receivable	20	22
Term loans by origination year, more than five years before current fiscal year, finance receivable	68	69
Revolving loans, finance receivable	179	334
Revolving loans converted to term loans, finance receivable	318	243
Loans	677	774
Credit card [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	43,315	38,243
Revolving loans converted to term loans, finance receivable	243	210
Loans	43,558	38,453
Credit card [Member] | FICO 800 or more [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	4,885	4,247
Revolving loans converted to term loans, finance receivable	2	1
Loans	4,887	4,248
Credit card [Member] | FICO 760-799 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	6,812	6,053
Revolving loans converted to term loans, finance receivable	8	7
Loans	6,820	6,060
Credit card [Member] | FICO 720-759 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	9,397	8,475
Revolving loans converted to term loans, finance receivable	26	26
Loans	9,423	8,501
Credit card [Member] | FICO 680-719 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	10,151	9,136
Revolving loans converted to term loans, finance receivable	48	50
Loans	10,199	9,186
Credit card [Member] | FICO 640-679 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	6,750	5,850
Revolving loans converted to term loans, finance receivable	49	47
Loans	6,799	5,897
Credit card [Member] | FICO 600-639 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	2,706	2,298
Revolving loans converted to term loans, finance receivable	35	31
Loans	2,741	2,329
Credit card [Member] | FICO less than 600 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	2,507	2,067
Revolving loans converted to term loans, finance receivable	74	47
Loans	2,581	2,114
Credit card [Member] | No FICO available [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	107	117
Revolving loans converted to term loans, finance receivable	1	1
Loans	108	118
Auto [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	15,949	29,566
Term loans by origination year, fiscal year before current fiscal year, finance receivable	21,698	12,700
Term loans by origination year, two years before current fiscal year, finance receivable	8,732	8,717
Term loans by origination year, three years before current fiscal year, finance receivable	5,558	3,386
Term loans by origination year, four years before current fiscal year, finance receivable	1,879	1,490
Term loans by origination year, more than five years before current fiscal year, finance receivable	729	800
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	54,545	56,659
Auto [Member] | FICO 800 or more [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	2,892	4,688
Term loans by origination year, fiscal year before current fiscal year, finance receivable	3,635	1,983
Term loans by origination year, two years before current fiscal year, finance receivable	1,488	1,680
Term loans by origination year, three years before current fiscal year, finance receivable	1,112	690
Term loans by origination year, four years before current fiscal year, finance receivable	384	318
Term loans by origination year, more than five years before current fiscal year, finance receivable	127	108
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	9,638	9,467
Auto [Member] | FICO 760-799 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	3,004	4,967
Term loans by origination year, fiscal year before current fiscal year, finance receivable	3,635	2,123
Term loans by origination year, two years before current fiscal year, finance receivable	1,407	1,586
Term loans by origination year, three years before current fiscal year, finance receivable	944	586
Term loans by origination year, four years before current fiscal year, finance receivable	301	234
Term loans by origination year, more than five years before current fiscal year, finance receivable	93	87
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	9,384	9,583
Auto [Member] | FICO 720-759 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	2,686	4,789
Term loans by origination year, fiscal year before current fiscal year, finance receivable	3,323	2,104
Term loans by origination year, two years before current fiscal year, finance receivable	1,401	1,503
Term loans by origination year, three years before current fiscal year, finance receivable	918	583
Term loans by origination year, four years before current fiscal year, finance receivable	301	241
Term loans by origination year, more than five years before current fiscal year, finance receivable	101	106
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	8,730	9,326
Auto [Member] | FICO 680-719 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	2,525	5,005
Term loans by origination year, fiscal year before current fiscal year, finance receivable	3,382	2,282
Term loans by origination year, two years before current fiscal year, finance receivable	1,438	1,441
Term loans by origination year, three years before current fiscal year, finance receivable	856	526
Term loans by origination year, four years before current fiscal year, finance receivable	273	218
Term loans by origination year, more than five years before current fiscal year, finance receivable	97	111
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	8,571	9,583
Auto [Member] | FICO 640-679 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	2,178	4,611
Term loans by origination year, fiscal year before current fiscal year, finance receivable	2,912	1,824
Term loans by origination year, two years before current fiscal year, finance receivable	1,122	1,025
Term loans by origination year, three years before current fiscal year, finance receivable	613	369
Term loans by origination year, four years before current fiscal year, finance receivable	194	160
Term loans by origination year, more than five years before current fiscal year, finance receivable	80	99
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	7,099	8,088
Auto [Member] | FICO 600-639 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	1,409	3,118
Term loans by origination year, fiscal year before current fiscal year, finance receivable	1,963	1,114
Term loans by origination year, two years before current fiscal year, finance receivable	698	617
Term loans by origination year, three years before current fiscal year, finance receivable	376	243
Term loans by origination year, four years before current fiscal year, finance receivable	131	117
Term loans by origination year, more than five years before current fiscal year, finance receivable	65	92
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	4,642	5,301
Auto [Member] | FICO less than 600 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	1,245	2,372
Term loans by origination year, fiscal year before current fiscal year, finance receivable	2,837	1,236
Term loans by origination year, two years before current fiscal year, finance receivable	1,157	853
Term loans by origination year, three years before current fiscal year, finance receivable	699	376
Term loans by origination year, four years before current fiscal year, finance receivable	258	193
Term loans by origination year, more than five years before current fiscal year, finance receivable	154	187
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	6,350	5,217
Auto [Member] | No FICO available [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	10	16
Term loans by origination year, fiscal year before current fiscal year, finance receivable	11	34
Term loans by origination year, two years before current fiscal year, finance receivable	21	12
Term loans by origination year, three years before current fiscal year, finance receivable	40	13
Term loans by origination year, four years before current fiscal year, finance receivable	37	9
Term loans by origination year, more than five years before current fiscal year, finance receivable	12	10
Revolving loans, finance receivable	0	0
Revolving loans converted to term loans, finance receivable	0	0
Loans	131	94
Other consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	2,987	2,227
Term loans by origination year, fiscal year before current fiscal year, finance receivable	1,390	720
Term loans by origination year, two years before current fiscal year, finance receivable	413	710
Term loans by origination year, three years before current fiscal year, finance receivable	341	206
Term loans by origination year, four years before current fiscal year, finance receivable	87	107
Term loans by origination year, more than five years before current fiscal year, finance receivable	101	129
Revolving loans, finance receivable	24,309	24,016
Revolving loans converted to term loans, finance receivable	140	159
Loans	29,768	28,274
Other consumer [Member] | FICO 800 or more [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	615	450
Term loans by origination year, fiscal year before current fiscal year, finance receivable	269	162
Term loans by origination year, two years before current fiscal year, finance receivable	96	128
Term loans by origination year, three years before current fiscal year, finance receivable	61	34
Term loans by origination year, four years before current fiscal year, finance receivable	13	8
Term loans by origination year, more than five years before current fiscal year, finance receivable	33	47
Revolving loans, finance receivable	940	1,343
Revolving loans converted to term loans, finance receivable	19	22
Loans	2,046	2,194
Other consumer [Member] | FICO 760-799 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	636	502
Term loans by origination year, fiscal year before current fiscal year, finance receivable	256	147
Term loans by origination year, two years before current fiscal year, finance receivable	78	117
Term loans by origination year, three years before current fiscal year, finance receivable	53	33
Term loans by origination year, four years before current fiscal year, finance receivable	12	7
Term loans by origination year, more than five years before current fiscal year, finance receivable	16	22
Revolving loans, finance receivable	628	819
Revolving loans converted to term loans, finance receivable	11	19
Loans	1,690	1,666
Other consumer [Member] | FICO 720-759 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	618	461
Term loans by origination year, fiscal year before current fiscal year, finance receivable	267	134
Term loans by origination year, two years before current fiscal year, finance receivable	70	115
Term loans by origination year, three years before current fiscal year, finance receivable	56	38
Term loans by origination year, four years before current fiscal year, finance receivable	15	9
Term loans by origination year, more than five years before current fiscal year, finance receivable	16	18
Revolving loans, finance receivable	588	714
Revolving loans converted to term loans, finance receivable	16	22
Loans	1,646	1,511
Other consumer [Member] | FICO 680-719 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	501	349
Term loans by origination year, fiscal year before current fiscal year, finance receivable	234	95
Term loans by origination year, two years before current fiscal year, finance receivable	61	99
Term loans by origination year, three years before current fiscal year, finance receivable	49	37
Term loans by origination year, four years before current fiscal year, finance receivable	14	9
Term loans by origination year, more than five years before current fiscal year, finance receivable	12	15
Revolving loans, finance receivable	555	630
Revolving loans converted to term loans, finance receivable	21	22
Loans	1,447	1,256
Other consumer [Member] | FICO 640-679 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	264	170
Term loans by origination year, fiscal year before current fiscal year, finance receivable	142	44
Term loans by origination year, two years before current fiscal year, finance receivable	27	55
Term loans by origination year, three years before current fiscal year, finance receivable	29	21
Term loans by origination year, four years before current fiscal year, finance receivable	9	6
Term loans by origination year, more than five years before current fiscal year, finance receivable	6	8
Revolving loans, finance receivable	301	328
Revolving loans converted to term loans, finance receivable	18	17
Loans	796	649
Other consumer [Member] | FICO 600-639 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	71	42
Term loans by origination year, fiscal year before current fiscal year, finance receivable	47	13
Term loans by origination year, two years before current fiscal year, finance receivable	9	19
Term loans by origination year, three years before current fiscal year, finance receivable	11	9
Term loans by origination year, four years before current fiscal year, finance receivable	4	3
Term loans by origination year, more than five years before current fiscal year, finance receivable	4	4
Revolving loans, finance receivable	105	117
Revolving loans converted to term loans, finance receivable	10	9
Loans	261	216
Other consumer [Member] | FICO less than 600 [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	30	18
Term loans by origination year, fiscal year before current fiscal year, finance receivable	44	12
Term loans by origination year, two years before current fiscal year, finance receivable	11	22
Term loans by origination year, three years before current fiscal year, finance receivable	14	11
Term loans by origination year, four years before current fiscal year, finance receivable	5	3
Term loans by origination year, more than five years before current fiscal year, finance receivable	5	5
Revolving loans, finance receivable	103	114
Revolving loans converted to term loans, finance receivable	12	12
Loans	224	197
Other consumer [Member] | No FICO available [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	252	235
Term loans by origination year, fiscal year before current fiscal year, finance receivable	131	113
Term loans by origination year, two years before current fiscal year, finance receivable	61	155
Term loans by origination year, three years before current fiscal year, finance receivable	68	23
Term loans by origination year, four years before current fiscal year, finance receivable	15	62
Term loans by origination year, more than five years before current fiscal year, finance receivable	9	10
Revolving loans, finance receivable	954	1,236
Revolving loans converted to term loans, finance receivable	33	36
Loans	1,523	1,870
Other consumer [Member] | FICO not required [Member] | Not government insured/guaranteed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, current fiscal year, finance receivable	0	0
Term loans by origination year, fiscal year before current fiscal year, finance receivable	0	0
Term loans by origination year, two years before current fiscal year, finance receivable	0	0
Term loans by origination year, three years before current fiscal year, finance receivable	0	0
Term loans by origination year, four years before current fiscal year, finance receivable	0	0
Term loans by origination year, more than five years before current fiscal year, finance receivable	0	0
Revolving loans, finance receivable	20,135	18,715
Revolving loans converted to term loans, finance receivable	0	0
Loans	$ 20,135	$ 18,715