XML 224 R132.htm IDEA: XBRL DOCUMENT v3.22.4

CECL (Details 7) - CHF (SFr) SFr in Millions	Dec. 31, 2022	Dec. 31, 2021
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	SFr 258,170	SFr 282,740
Total	258,241	282,821
Past due more than 90 days and still accruing	0	0
Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	255,354	280,409
Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	2,887	2,412
Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	789	557
Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	220	167
Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	98	134
Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,780	1,554
Corporate and institutional
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	107,433	116,155
Corporate and institutional | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	105,866	115,014
Corporate and institutional | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,567	1,141
Corporate and institutional | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	432	248
Corporate and institutional | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	91	24
Corporate and institutional | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24	13
Corporate and institutional | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,020	856
Corporate and institutional | Real estate
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	25,157	27,805
Corporate and institutional | Real estate | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24,946	27,628
Corporate and institutional | Real estate | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	211	177
Corporate and institutional | Real estate | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	35	6
Corporate and institutional | Real estate | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	49	4
Corporate and institutional | Real estate | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Corporate and institutional | Real estate | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	127	167
Corporate and institutional | Commercial and industrial loans
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	59,376	66,147
Corporate and institutional | Commercial and industrial loans | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	58,267	65,327
Corporate and institutional | Commercial and industrial loans | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,109	820
Corporate and institutional | Commercial and industrial loans | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	320	166
Corporate and institutional | Commercial and industrial loans | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	42	13
Corporate and institutional | Commercial and industrial loans | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24	12
Corporate and institutional | Commercial and industrial loans | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	723	629
Corporate and institutional | Financial institutions
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	21,713	20,916
Corporate and institutional | Financial institutions | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	21,482	20,807
Corporate and institutional | Financial institutions | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	231	109
Corporate and institutional | Financial institutions | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	72	60
Corporate and institutional | Financial institutions | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	7
Corporate and institutional | Financial institutions | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	1
Corporate and institutional | Financial institutions | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	159	41
Corporate and institutional | Governments and public institutions
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	1,187	1,287
Corporate and institutional | Governments and public institutions | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,171	1,252
Corporate and institutional | Governments and public institutions | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	16	35
Corporate and institutional | Governments and public institutions | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	5	16
Corporate and institutional | Governments and public institutions | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Corporate and institutional | Governments and public institutions | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Corporate and institutional | Governments and public institutions | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	11	19
Consumer
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	150,808	166,666
Consumer | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	149,488	165,395
Consumer | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,320	1,271
Consumer | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	357	309
Consumer | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	129	143
Consumer | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	74	121
Consumer | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	760	698
Consumer | Mortgages
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	107,484	110,533
Consumer | Mortgages | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	107,033	109,877
Consumer | Mortgages | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	451	656
Consumer | Mortgages | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	66	123
Consumer | Mortgages | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	43	73
Consumer | Mortgages | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	8	61
Consumer | Mortgages | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	334	399
Consumer | Loans collateralized by securities
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	37,639	51,253
Consumer | Loans collateralized by securities | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	37,308	51,069
Consumer | Loans collateralized by securities | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	331	184
Consumer | Loans collateralized by securities | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	43	42
Consumer | Loans collateralized by securities | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	4	0
Consumer | Loans collateralized by securities | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	3	0
Consumer | Loans collateralized by securities | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	281	142
Consumer | Consumer finance
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	5,685	4,880
Consumer | Consumer finance | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	5,147	4,449
Consumer | Consumer finance | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	538	431
Consumer | Consumer finance | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	248	144
Consumer | Consumer finance | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	82	70
Consumer | Consumer finance | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	63	60
Consumer | Consumer finance | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	145	157
Bank
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	262,108	291,411
Total	262,179	291,492
Past due more than 90 days and still accruing	0	0
Bank | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	259,302	289,092
Bank | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	2,877	2,400
Bank | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	789	557
Bank | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	220	167
Bank | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	98	134
Bank | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,770	1,542
Bank | Corporate and institutional
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	107,421	116,143
Bank | Corporate and institutional | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	105,864	115,014
Bank | Corporate and institutional | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,557	1,129
Bank | Corporate and institutional | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	432	248
Bank | Corporate and institutional | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	91	24
Bank | Corporate and institutional | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24	13
Bank | Corporate and institutional | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,010	844
Bank | Corporate and institutional | Real estate
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	25,157	27,805
Bank | Corporate and institutional | Real estate | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24,946	27,628
Bank | Corporate and institutional | Real estate | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	211	177
Bank | Corporate and institutional | Real estate | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	35	6
Bank | Corporate and institutional | Real estate | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	49	4
Bank | Corporate and institutional | Real estate | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Corporate and institutional | Real estate | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	127	167
Bank | Corporate and institutional | Commercial and industrial loans
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	59,366	66,135
Bank | Corporate and institutional | Commercial and industrial loans | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	58,267	65,327
Bank | Corporate and institutional | Commercial and industrial loans | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,099	808
Bank | Corporate and institutional | Commercial and industrial loans | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	320	166
Bank | Corporate and institutional | Commercial and industrial loans | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	42	13
Bank | Corporate and institutional | Commercial and industrial loans | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	24	12
Bank | Corporate and institutional | Commercial and industrial loans | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	713	617
Bank | Corporate and institutional | Financial institutions
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	21,711	20,916
Bank | Corporate and institutional | Financial institutions | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	21,480	20,807
Bank | Corporate and institutional | Financial institutions | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	231	109
Bank | Corporate and institutional | Financial institutions | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	72	60
Bank | Corporate and institutional | Financial institutions | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	7
Bank | Corporate and institutional | Financial institutions | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	1
Bank | Corporate and institutional | Financial institutions | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	159	41
Bank | Corporate and institutional | Governments and public institutions
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	1,187	1,287
Bank | Corporate and institutional | Governments and public institutions | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,171	1,252
Bank | Corporate and institutional | Governments and public institutions | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	16	35
Bank | Corporate and institutional | Governments and public institutions | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	5	16
Bank | Corporate and institutional | Governments and public institutions | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Corporate and institutional | Governments and public institutions | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Corporate and institutional | Governments and public institutions | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	11	19
Bank | Consumer
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	150,808	166,666
Bank | Consumer | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	149,488	165,395
Bank | Consumer | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,320	1,271
Bank | Consumer | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	357	309
Bank | Consumer | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	129	143
Bank | Consumer | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	74	121
Bank | Consumer | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	760	698
Bank | Consumer | Mortgages
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	107,484	110,533
Bank | Consumer | Mortgages | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	107,033	109,877
Bank | Consumer | Mortgages | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	451	656
Bank | Consumer | Mortgages | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	66	123
Bank | Consumer | Mortgages | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	43	73
Bank | Consumer | Mortgages | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	8	61
Bank | Consumer | Mortgages | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	334	399
Bank | Consumer | Loans collateralized by securities
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	37,639	51,253
Bank | Consumer | Loans collateralized by securities | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	37,308	51,069
Bank | Consumer | Loans collateralized by securities | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	331	184
Bank | Consumer | Loans collateralized by securities | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	43	42
Bank | Consumer | Loans collateralized by securities | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	4	0
Bank | Consumer | Loans collateralized by securities | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	3	0
Bank | Consumer | Loans collateralized by securities | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	281	142
Bank | Consumer | Consumer finance
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	5,685	4,880
Bank | Consumer | Consumer finance | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	5,147	4,449
Bank | Consumer | Consumer finance | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	538	431
Bank | Consumer | Consumer finance | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	248	144
Bank | Consumer | Consumer finance | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	82	70
Bank | Consumer | Consumer finance | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	63	60
Bank | Consumer | Consumer finance | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	145	157
Bank | Total loans to third parties
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	258,229	282,809
Bank | Total loans to third parties | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	255,352	280,409
Bank | Total loans to third parties | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	2,877	2,400
Bank | Total loans to third parties | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	789	557
Bank | Total loans to third parties | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	220	167
Bank | Total loans to third parties | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	98	134
Bank | Total loans to third parties | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	1,770	1,542
Bank | Total loans to entities under common control
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Total	3,950	8,683
Bank | Total loans to entities under common control | Financial Asset, Not Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	3,950	8,683
Bank | Total loans to entities under common control | Financial Asset, Past Due [Member]
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Total loans to entities under common control | Past due up to 30 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Total loans to entities under common control | Past due 31 - 60 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Total loans to entities under common control | Past due 61 - 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	0	0
Bank | Total loans to entities under common control | Past due more than 90 days
Loans Held At Amortized Cost, Amortized cost, Past Due [Line Items]
Gross loans held at amortized cost	SFr 0	SFr 0

X

- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

+ Details

Name:	us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (1)

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1404
-Paragraph (a)

+ Details

Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cs_AgingAnalysisPastDueUpto30DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cs_AgingAnalysisPastDue31To60DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cs_AgingAnalysisPastDue61To90DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=cs_AgingAnalysisPastDueOver90DaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_FinancialServicesSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_GovernmentSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_MortgageReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cs_LoansCollateralizedBySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerBorrowerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=cs_ConsolidatedBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cs_TotalLoansToThirdPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=cs_TotalLoansToEntitiesUnderCommonControlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: