Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Level 3 Roll Forward (Details)

v3.23.1
FAIR VALUES OF ASSETS AND LIABILITIES - Level 3 Roll Forward (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Derivative instruments        
Opening balance $ 3 $ (10) $ (2) $ 4
Transfers out of Level 3 (2) (7)    
Included in OCI 0 0    
Purchases/originations 0 0    
Repayments 0 0    
Settlements 0 0    
Closing balance 3 (10)    
Change in unrealized gains or losses for the period included in earnings for assets held at end of the reporting date 5 (16)    
Mortgage banking income        
Derivative instruments        
Included in earnings: 7 (7)    
Interest and fee income        
Derivative instruments        
Included in earnings: 0 0    
Provision for credit losses        
Derivative instruments        
Included in earnings:   0    
MSRs        
Assets Level 3 Roll Forward:        
Opening balance 494 351    
Transfers out of Level 3 0 0    
Total gains/losses for the period:        
Included in OCI 0 0    
Purchases/originations 13 29    
Repayments 0 0    
Settlements (10) (15)    
Closing balance 485 416 494 351
Change in unrealized gains or losses for the period included in earnings for assets held at end of the reporting date (12) 51    
MSRs | Mortgage banking income        
Total gains/losses for the period:        
Included in earnings: (12) 51    
MSRs | Interest and fee income        
Total gains/losses for the period:        
Included in earnings: 0 0    
MSRs | Provision for credit losses        
Total gains/losses for the period:        
Included in earnings:   0    
Municipal securities        
Assets Level 3 Roll Forward:        
Opening balance 3,248 3,477    
Transfers out of Level 3 0 0    
Total gains/losses for the period:        
Included in OCI 3 (120)    
Purchases/originations 177 172    
Repayments 0 0    
Settlements (89) (241)    
Closing balance 3,339 3,282 3,248 3,477
Change in unrealized gains or losses for the period included in other comprehensive income for assets held at the end of the reporting period 3 (118)    
Municipal securities | Mortgage banking income        
Total gains/losses for the period:        
Included in earnings: 0 0    
Municipal securities | Interest and fee income        
Total gains/losses for the period:        
Included in earnings: 0 (2)    
Municipal securities | Provision for credit losses        
Total gains/losses for the period:        
Included in earnings:   (4)    
Private-label CMO        
Assets Level 3 Roll Forward:        
Opening balance 20 20    
Transfers out of Level 3 0 0    
Total gains/losses for the period:        
Included in OCI 0 0    
Purchases/originations 0 0    
Repayments 0 0    
Settlements 1 0    
Closing balance 20 19 20 20
Change in unrealized gains or losses for the period included in other comprehensive income for assets held at the end of the reporting period 0 0    
Private-label CMO | Mortgage banking income        
Total gains/losses for the period:        
Included in earnings: 0 0    
Private-label CMO | Interest and fee income        
Total gains/losses for the period:        
Included in earnings: (1) (1)    
Private-label CMO | Provision for credit losses        
Total gains/losses for the period:        
Included in earnings:   0    
Asset-backed securities        
Assets Level 3 Roll Forward:        
Opening balance 74 70    
Transfers out of Level 3 0 0    
Total gains/losses for the period:        
Included in OCI 0 (1)    
Purchases/originations 0 0    
Repayments 0 0    
Settlements 0 (7)    
Closing balance 74 62 74 70
Change in unrealized gains or losses for the period included in other comprehensive income for assets held at the end of the reporting period 0 (1)    
Asset-backed securities | Mortgage banking income        
Total gains/losses for the period:        
Included in earnings: 0 0    
Asset-backed securities | Interest and fee income        
Total gains/losses for the period:        
Included in earnings: 0 0    
Asset-backed securities | Provision for credit losses        
Total gains/losses for the period:        
Included in earnings:   0    
Loans held for investment        
Assets Level 3 Roll Forward:        
Opening balance 16 19    
Transfers out of Level 3 0 0    
Total gains/losses for the period:        
Included in OCI 0 0    
Purchases/originations 0 0    
Repayments (1) (1)    
Settlements 0 0    
Closing balance 15 18 $ 16 $ 19
Change in unrealized gains or losses for the period included in earnings for assets held at end of the reporting date 0 0    
Loans held for investment | Mortgage banking income        
Total gains/losses for the period:        
Included in earnings: 0 0    
Loans held for investment | Interest and fee income        
Total gains/losses for the period:        
Included in earnings: $ 0 0    
Loans held for investment | Provision for credit losses        
Total gains/losses for the period:        
Included in earnings:   $ 0