v3.26.1
Commitments, Contingent Liabilities and Guarantees - Summary of Significant Commitments (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Commitments to extend credit    
Long-term Purchase Commitment    
Commitments $ 112,467 $ 84,405
Letters of credit    
Long-term Purchase Commitment    
Commitments 6,261 2,095
Forward contracts related to residential mortgage loans measured at fair value    
Long-term Purchase Commitment    
Commitments 1,382 1,072
Capital commitments for private equity investments    
Long-term Purchase Commitment    
Commitments 327 310
Capital expenditures    
Long-term Purchase Commitment    
Commitments $ 203 $ 147