v3.26.1
Collateralized Transactions (Amounts Related to Collateralized Transactions) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Permitted To Repledge [Member]    
Collateralized Transactions [Line Items]    
Securities lending transactions [1] $ 195,112 $ 197,478
Securities purchased under agreements to resell transactions [1] 42,026 24,947
Customer margin assets 115,899 115,846
Total collateralized transactions 353,037 338,271
Sold Or Repledged [Member]    
Collateralized Transactions [Line Items]    
Securities lending transactions [1] 20,294 17,204
Securities purchased under agreements to resell transactions [1] 40,682 24,225
Customer margin assets 38,143 31,410
Total collateralized transactions $ 99,119 $ 72,839
[1] As of March 31, 2026 and December 31, 2025, the Company had $32.1 billion and $18.0 billion, respectively, of securities purchased under agreements to resell, and $2.3 billion and $2.4 billion, respectively, of securities borrowed that were segregated to satisfy regulatory requirements. These securities are reported in “Securities - segregated for regulatory purposes” in the condensed consolidated statements of financial condition.