XML 74 R62.htm IDEA: XBRL DOCUMENT v3.22.1
MORTGAGE BANKING AND OTHER - Economic Assumptions Used to Estimate Value of MSRs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Dec. 31, 2021
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]      
Fair value $ 1,241   $ 1,029
Weighted average life (years) 7 years 9 months 18 days 6 years 4 months 24 days  
Weighted average constant prepayment rate 8.80% 10.70%  
Weighted average option adjusted spread 6.21% 5.96%  
Minimum      
Servicing Assets at Fair Value [Line Items]      
Sensitivity analysis, basis spread 10.00%    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]      
Decline in fair value from 10% adverse change $ 40 $ 45  
Decline in fair value from 10% adverse change $ 33 25  
Maximum      
Servicing Assets at Fair Value [Line Items]      
Sensitivity analysis, basis spread 20.00%    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]      
Decline in fair value from 20% adverse change $ 78 87  
Decline in fair value from 20% adverse change $ 66 $ 50