XML 64 R54.htm IDEA: XBRL DOCUMENT v3.23.1
Collateralized Transactions (Amounts Related to Collateralized Transactions) (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Permitted To Repledge [Member]    
Collateralized Transactions [Line Items]    
Securities lending transactions $ 73,506 $ 62,689
Agreements to resell [1] 37,573 33,208
Customer margin assets 46,015 42,222
Total collateralized transactions 157,094 138,119
Sold Or Repledged [Member]    
Collateralized Transactions [Line Items]    
Securities lending transactions 8,123 7,055
Agreements to resell [1] 35,672 31,108
Customer margin assets 17,561 17,008
Total collateralized transactions $ 61,356 $ 55,171
[1] As of March 31, 2023, $30.6 billion or 86% (as of December 31, 2022, $27.1 billion or 87%) of securities purchased under agreements to resell were segregated to satisfy regulatory requirements.