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v3.20.2

Investments (Commercial Mortgage Loans By Year Of Origination) (Details) - Commercial [Member] $ in Millions | Sep. 30, 2020 USD ($) item | Dec. 31, 2019 USD ($)
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 | $ 1,045 |
2019 | 3,424 |
2018 | 2,595 |
2017 | 1,974 |
2016 | 1,923 |
2015 and prior | 5,025 |
Total | 15,986 | $ 15,606
Loan-to-value ratio, less than 65% [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 | 960 |
2019 | 2,976 |
2018 | 2,371 |
2017 | 1,804 |
2016 | 1,691 |
2015 and prior | 4,877 |
Total | $ 14,679 | 14,206
2020 | item | 3.30 |
2019 | item | 2.31 |
2018 | item | 2.22 |
2017 | item | 2.34 |
2016 | item | 2.44 |
2015 and prior | item | 2.47 |
Loan-to-value ratio, 65% to 74% [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2020 | $ 85 |
2019 | 448 |
2018 | 224 |
2017 | 170 |
2016 | 204 |
2015 and prior | 140 |
Total | $ 1,271 | 1,399
2020 | item | 1.67 |
2019 | item | 1.74 |
2018 | item | 1.53 |
2017 | item | 2.62 |
2016 | item | 1.62 |
2015 and prior | item | 1.89 |
Loan-to-value ratio, 75% to 100% [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2016 | $ 28 |
2015 and prior | 8 |
Total | $ 36 | $ 1
2016 | item | 1.30 |
2015 and prior | item | 1.03 |

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