LOAN SERVICING - Sensitivity of Fair Value to Changes in key Assumptions (Details) - Mortgage Servicing Rights - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
---|---|---|
Jun. 30, 2022 |
Dec. 31, 2021 |
|
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items] | ||
Weighted average life (months) | 94 months 24 days | 76 months 17 days |
Constant prepayment rate (annualized) | 7.50% | 11.20% |
Discount rate | 9.50% | 9.50% |
Sensitivity analysis of fair value, change in interest rates, plus 2.00% | $ 9 | $ 15 |
Sensitivity analysis of fair value, change in interest rates, plus 1.00% | 5 | 9 |
Sensitivity analysis of fair value, change in interest rates, plus 0.50% | 3 | 5 |
Sensitivity analysis of fair value, change in interest rates, plus 0.25% | 1 | 3 |
Sensitivity analysis of fair value, change in interest rates, minus 0.25% | (2) | (3) |
Sensitivity analysis of fair value, change in interest rates, minus 0.50% | $ (3) | $ (7) |