v3.26.3
REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers $ 484 $ 424 $ 1,458 $ 1,152
Noninterest income within the scope of other GAAP topics 238 204 731 441
Total noninterest income 722 628 2,189 1,593
Payments and cash management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 197 161 567 451
Wealth and asset management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 131 104 385 307
Customer deposit and loan fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 75 66 222 182
Capital markets and advisory fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 56 46 202 117
Total noninterest income 122 94 394 245
Other noninterest income        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 25 47 82 95
Operating Segments | Consumer & Regional Banking        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 369 330 1,060 903
Noninterest income within the scope of other GAAP topics 72 63 225 156
Total noninterest income 441 393 1,285 1,059
Operating Segments | Consumer & Regional Banking | Payments and cash management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 142 120 396 345
Operating Segments | Consumer & Regional Banking | Wealth and asset management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 127 96 369 289
Operating Segments | Consumer & Regional Banking | Customer deposit and loan fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 70 62 208 172
Operating Segments | Consumer & Regional Banking | Capital markets and advisory fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 8 10 22 16
Operating Segments | Consumer & Regional Banking | Other noninterest income        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 22 42 65 81
Operating Segments | Commercial Banking        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 112 96 391 253
Noninterest income within the scope of other GAAP topics 144 122 392 304
Total noninterest income 256 218 783 557
Operating Segments | Commercial Banking | Payments and cash management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 55 41 171 106
Operating Segments | Commercial Banking | Wealth and asset management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 4 8 16 18
Operating Segments | Commercial Banking | Customer deposit and loan fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 5 4 14 10
Operating Segments | Commercial Banking | Capital markets and advisory fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 48 37 180 102
Operating Segments | Commercial Banking | Other noninterest income        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 0 6 10 17
Treasury / Other        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 3 (2) 7 (4)
Noninterest income within the scope of other GAAP topics 22 19 114 (19)
Total noninterest income 25 17 121 (23)
Treasury / Other | Payments and cash management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 0 0 0 0
Treasury / Other | Wealth and asset management revenue        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 0 0 0 0
Treasury / Other | Customer deposit and loan fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 0 0 0 0
Treasury / Other | Capital markets and advisory fees        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers 0 (1) 0 (1)
Treasury / Other | Other noninterest income        
Disaggregation of Revenue [Line Items]        
Net revenue from contracts with customers $ 3 $ (1) $ 7 $ (3)