v3.26.3
Business Combinations - Pro Forma (Details) - Columbia Banking Systems and Pacific Premier Bancorp Merger - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Business Combination [Line Items]    
Net interest income $ 626 $ 1,840
Non-interest income 90 260
Net income (1) 242 618
Acquisition related costs excluded from pro-forma net income $ (135) $ (161)