XML 33 R92.htm IDEA: XBRL DOCUMENT v3.20.1
FAIR VALUE MEASUREMENTS - Schedule of Assets Measured on Recurring Basis Level 3 Rollforward (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Jan. 01, 2020
Jan. 02, 2019
Jan. 01, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Transfers upon election of fair value method       $ (331) $ 17
Residential mortgages          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Beginning balance $ 642 $ 600      
Transfers upon election of fair value method     $ 190    
Beginning balance, adjusted     832    
Issuances 67 35      
Acquired MSRs 0        
Settlements (40) (26)      
Change in fair value during the period (282) (46)      
Transfers from Level 2 to Level 3   0      
Ending balance 577 563      
Other Derivative Contracts          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Beginning balance 19 0      
Transfers upon election of fair value method     0    
Beginning balance, adjusted     $ 19    
Issuances 171 0      
Acquired MSRs 0        
Settlements (76) 0      
Change in fair value during the period 29 0      
Transfers from Level 2 to Level 3   18      
Ending balance $ 143 $ 18