v3.25.2
Segment Reporting - Reconciliation of Business Segment Results to Consolidated (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Total revenue $ 5,661 $ 5,411 $ 11,113 $ 10,556
Total noninterest expense 3,383 3,357 6,770 6,691
Net income 1,643 1,477 3,142 2,821
Average Assets (a) 561,686 563,030 559,046 562,939
Operating Segments        
Segment Reporting Information [Line Items]        
Total revenue 6,878 6,985 13,443 13,158
Total noninterest expense 3,108 3,013 6,245 6,037
Net income 2,732 2,876 5,215 5,189
Average Assets (a) 363,081 361,705 359,907 360,661
Other Segments        
Segment Reporting Information [Line Items]        
Total revenue (1,217) (1,574) (2,330) (2,602)
Total noninterest expense 275 224 525 404
Net income (1,089) (1,279) (2,073) (2,118)
Average Assets (a) 198,605 201,325 199,139 202,278
Segment Reporting, Reconciling Item, Corporate Nonsegment        
Segment Reporting Information [Line Items]        
FDIC special assessment 0 0 0 130
PNC Foundation Contribution $ 0 $ 120 $ 0 $ 120