Annual report pursuant to Section 13 and 15(d)

BUSINESS COMBINATIONS - Narrative (Details)

v3.24.0.1
BUSINESS COMBINATIONS - Narrative (Details)
$ in Millions
Jun. 09, 2021
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jun. 15, 2022
USD ($)
Dec. 31, 2021
USD ($)
Business Acquisition [Line Items]          
Goodwill   $ 5,561 $ 5,571   $ 5,349
Capstone Partners | Commercial Banking          
Business Acquisition [Line Items]          
Goodwill       $ 192  
TCF Financial Corporation          
Business Acquisition [Line Items]          
Consideration transferred $ 7,200        
TCF Financial Corporation | Common Stock          
Business Acquisition [Line Items]          
Share issuance ratio 3.0028        
TCF Financial Corporation | Newly created series of preferred stock          
Business Acquisition [Line Items]          
Share issuance ratio 1        
TCF Financial Corporation | Series C Non-Cumulative Perpetual Preferred Stock          
Business Acquisition [Line Items]          
Preferred stock, dividend rate percentage 5.70%