v3.26.3
Securities Financing Activities - Master Netting (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Securities sold under resell agreements and securities borrowed [Line Items]    
Securities purchased under agreements to resell, Amount in Consolidated Balance Sheets $ 1,758 $ 1,313
Securities purchased under agreements to resell, Amount Not Offset in Consolidated Balance Sheets 0 (78)
Securities purchased under agreements to resell, Financial Instruments Received/Pledged (1,747) (1,223)
Securities purchased under agreements to resell, Net Amount 11 12
Securities borrowed, Amount in Consolidated Balance Sheets 2,145 1,887
Securities borrowed, Amount Not Offset in Consolidated Balance Sheets 0 0
Securities borrowed, Financial Instruments Received/Pledged (2,107) (1,835)
Securities borrowed, Net Amount 38 52
Total securities borrowed or purchased under agreements to resell, Amount in Consolidated Balance Sheets 3,903 3,200
Total securities borrowed or purchased under agreements to resell, Amount Not Offset in Consolidated Balance Sheets 0 (78)
Total securities borrowed or purchased under agreements to resell, Financial Instruments Received/Pledged (3,854) (3,058)
Total securities borrowed or purchased under agreements to resell, Net Amount 49 64
Fair value of collateral received that was permitted 3,900 3,100
Securities held as collateral, fair value 2,400 2,200
Securities sold under agreements to repurchase    
Securities sold under resell agreements and securities borrowed [Line Items]    
Securities sold under agreements to repurchase, Amount in Consolidated Balance Sheets (1,545) (3,103)
Securities sold under agreements to repurchase, Amount Not Offset in Consolidated Balance Sheets 0 78
Securities sold under agreements to repurchase, Financial Instruments Received/Pledged 1,545 3,025
Securities sold under agreements to repurchase, Net Amount $ 0 $ 0