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Commitments, Guarantees and Contingencies Commitments, Guarantees and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Unused Commitments to Extend Credit [Table Text Block] | The following table presents the Company’s funding commitments as of December 31:
| 2020 |  | 2019
| (in millions)
Commercial mortgage loans | $ | 18 |  |  | $ | 60 |
Affordable housing and other real estate partnerships | 12 |  |  | 22 |
Property funds | 17 |  |  | 12 |
Private funds | 9 |  |  | 12 |
Pledged asset lines of credit | 342 |  |  | — |
Consumer lines of credit | 1 |  |  | 1 |
Total funding commitments | $ | 399 |  |  | $ | 107 |

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