Loans Held for Sale - Summary (Details) - USD ($) $ in Millions		Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale	[1]	$ 997	$ 354
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		996	349
Commercial loans | Real estate, including construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		507	0
Commercial loans | Business and corporate banking
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		11	0
Commercial loans | Global banking
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		478	349
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		1	5
Consumer loans | Residential mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held for sale		$ 1	$ 5

[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