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Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Assets of discontinued operations | $ 0 | $ 5,347 |  |
Liabilities of discontinued operations | 0 | 5,203 |  |
Net (loss) income from discontinued operations | (12) | (2) | $ 16 |
Discontinued Operation, Loan Asset Retained | 55 |  |  |
Discontinued Operation, Loan Liability Retained | 39 |  |  |
Discontinued Operations, Held-for-sale or Disposed of by Sale | Champion Mortgage |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Restricted cash |  | 83 |  |
Reverse mortgage interests, net |  | 5,253 |  |
Other |  | 11 |  |
Assets of discontinued operations |  | 5,347 |  |
Advances and warehouse facilities, net |  | 505 |  |
Payables and other liabilities |  | 233 |  |
Mortgage servicing liabilities |  | 41 |  |
Other nonrecourse debt, net |  | 4,424 |  |
Liabilities of discontinued operations |  | 5,203 |  |
Revenue - service related, net | 26 | 44 | 80 |
Salaries, wages and benefits expense | (30) | (41) | (64) |
General and administrative expense | 21 | (8) | (73) |
Interest income | 137 | 176 | 314 |
Interest expense | (105) | (174) | (236) |
Loss on classification as discontinued operations | (65) | 0 | 0 |
(Loss) income from discontinued operations before income tax (benefit) expense | (16) | (3) | 21 |
Less: Income tax (benefit) expense | (4) | (1) | 5 |
Net (loss) income from discontinued operations | (12) | $ (2) | $ 16 |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  | $ 1,640
Disposal Group, Discontinued Operation, Transaction Cost | $ 4 |  |  |

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