v3.26.1
Commitments and Contingencies - Schedule of the Contractual Amount of Significant Commitments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Other Commitments [Line Items]            
Stand-by letters of credit $ 397   $ 628      
Total commitments 12,736   11,311      
Allowance for credit losses on loans and leases 869 $ 954 1,030 $ 1,106 $ 1,168 $ 1,201
Total loan commitments            
Other Commitments [Line Items]            
Allowance for credit losses on loans and leases 56   55      
Total loan commitments            
Other Commitments [Line Items]            
Total loan commitments 12,339   10,683      
Multi-family and Commercial real estate            
Other Commitments [Line Items]            
Total loan commitments 566   553      
One-to-four family including interest rate locks            
Other Commitments [Line Items]            
Total loan commitments 1,302   1,031      
Other loan commitments            
Other Commitments [Line Items]            
Total loan commitments $ 10,471   $ 9,099