Annual report pursuant to Section 13 and 15(d)

BUSINESS COMBINATIONS - Narrative (Details)

v3.22.4
BUSINESS COMBINATIONS - Narrative (Details)
$ in Millions
12 Months Ended
Jun. 09, 2021
USD ($)
Dec. 31, 2022
USD ($)
Rate
Dec. 31, 2021
USD ($)
Jun. 15, 2022
USD ($)
Dec. 31, 2020
USD ($)
Business Acquisition [Line Items]          
Goodwill   $ 5,571 $ 5,349   $ 1,990
Series C Non-Cumulative Perpetual Preferred Stock          
Business Acquisition [Line Items]          
Preferred stock, dividend rate percentage | Rate   5.875%      
Capstone Partners | Commercial Banking          
Business Acquisition [Line Items]          
Goodwill       $ 192  
TCF Financial Corporation          
Business Acquisition [Line Items]          
Goodwill $ 3,359        
Consideration transferred $ 7,183        
Acquisition-related expenses     $ 701    
TCF Financial Corporation | Core deposit intangible          
Business Acquisition [Line Items]          
Useful life   10 years      
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%