Loans - Disaggregation of Criticized Loans by Year of Origination (Details) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, net	[1]	$ 57,945	$ 59,380
Commercial loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		1,010	4,748
One year prior to current year		4,165	2,485
Two years prior to current year		2,697	1,814
Three years prior to current year		1,579	3,109
Four years prior to current year		2,800	2,311
Prior		12,750	11,997
Revolving Loans		14,533	15,143
Revolving Loans Converted to Term Loans		277	210
Loans, net		39,811	41,817
Commercial loans | Business and corporate banking
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		490	1,116
One year prior to current year		1,103	828
Two years prior to current year		837	475
Three years prior to current year		328	815
Four years prior to current year		647	308
Prior		4,784	5,019
Revolving Loans		7,706	7,307
Revolving Loans Converted to Term Loans		274	207
Loans, net		16,169	16,075
Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		1,212	2,975
One year prior to current year		2,898	4,302
Two years prior to current year		4,212	2,982
Three years prior to current year		2,902	1,361
Four years prior to current year		1,315	764
Prior		5,389	4,954
Revolving Loans		206	225
Loans, net		18,134	17,563
Consumer loans | Residential mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		1,183	2,887
One year prior to current year		2,814	4,280
Two years prior to current year		4,193	2,949
Three years prior to current year		2,870	1,323
Four years prior to current year		1,283	751
Prior		5,109	4,648
Revolving Loans		0	0
Loans, net		17,452	16,838
Consumer loans | Home equity mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		29	74
One year prior to current year		71	12
Two years prior to current year		11	24
Three years prior to current year		24	32
Four years prior to current year		28	13
Prior		201	215
Revolving Loans		0	0
Loans, net		364	370
Consumer loans | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Current year		0	0
One year prior to current year		0	0
Two years prior to current year		0	0
Three years prior to current year		0	0
Four years prior to current year		0	0
Prior		0	0
Revolving Loans		197	213
Loans, net		$ 197	$ 213

[1] The following table summarizes assets and liabilities related to our consolidated variable interest entities ("VIEs") at June 30, 2023 and December 31, 2022. Assets and liabilities exclude intercompany balances that eliminate in consolidation. See Note 17, "Variable Interest Entities," for additional information. June 30, 2023December 31, 2022(in millions)AssetsLoans, net$186 $162 Other assets40 44 Total assets$226 $206 LiabilitiesInterest, taxes and other liabilities$35 $22 Total liabilities$35 $22