Average debt service coverage ratio.

No definition available.

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- Definition

Current weighted average loan to value ratio of commercial mortgage loan.

+ References

No definition available.

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- Definition

Original weighted average loan to value ratio of commercial mortgage loan.

+ References

No definition available.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

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- Definition

Amount of financing receivable originated more than five years prior to current fiscal year.

+ References

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- Definition

Amount of financing receivable originated four years prior to current fiscal year.

+ References

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- Definition

Amount of financing receivable originated in current fiscal year.

+ References

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- Definition

Amount of financing receivable originated in fiscal year prior to current fiscal year.

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- Definition

Amount of financing receivable originated three years prior to current fiscal year.

+ References

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- Definition

Amount of financing receivable originated two years prior to current fiscal year.

+ References

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Investments - Investments - Loan-to-Value and Debt Service Coverage Ratio by Origination Year (Details) $ in Millions	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Schedule of Investments [Line Items]
Current Weighted Average Loan to Value Ratio of Commercial Mortgage Loan	55.00%
Original Weighted Average Loan to Value Ratio of Commercial Mortgage loan	60.00%
Financing Receivable, before Allowance for Credit Loss			$ 4,215
Financing Receivable, Allowance for Credit Loss			0
Commercial Loan [Member]
Schedule of Investments [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 4,499		$ 4,215
Avg. Debt-Service Coverage Ratio	2.50		2.46
Financing Receivable, Allowance for Credit Loss	$ 38	$ 43	$ 0	$ 0	$ 0	$ 1
Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Financing Receivable, before Allowance for Credit Loss			$ 376
Avg. Debt-Service Coverage Ratio	1.85		1.53
Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Financing Receivable, before Allowance for Credit Loss			$ 3,839
Avg. Debt-Service Coverage Ratio	2.65		2.56
Amortized Cost [Member] \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Mortgage loans originated in current year	$ 547
Mortgage loans originated in year before latest fiscal year	920
Mortgage loans originated two years before latest fiscal year	697
Mortgage loans originated three years before latest fiscal year	506
Mortgage loans originated four years before latest fiscal year	287
Mortgage loans originated five or more years before latest fiscal year	1,542
Financing Receivable, before Allowance for Credit Loss	4,499
Amortized Cost [Member] \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Mortgage loans originated in current year	8
Mortgage loans originated in year before latest fiscal year	248
Mortgage loans originated two years before latest fiscal year	248
Mortgage loans originated three years before latest fiscal year	80
Mortgage loans originated four years before latest fiscal year	61
Mortgage loans originated five or more years before latest fiscal year	165
Financing Receivable, before Allowance for Credit Loss	810
Amortized Cost [Member] \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Mortgage loans originated in current year	539
Mortgage loans originated in year before latest fiscal year	672
Mortgage loans originated two years before latest fiscal year	449
Mortgage loans originated three years before latest fiscal year	426
Mortgage loans originated four years before latest fiscal year	226
Mortgage loans originated five or more years before latest fiscal year	1,377
Financing Receivable, before Allowance for Credit Loss	$ 3,689
2020 \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.49
2020 \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.59
2020 \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.49
2019 \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.46
2019 \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.81
2019 \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.70
2018 \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.98
2018 \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.96
2018 \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.99
2017 \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.86
2017 \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.73
2017 \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.89
2016 \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.79
2016 \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.99
2016 \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	3.01
2015 & prior \| Commercial Loan [Member]
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	2.93
2015 & prior \| Commercial Loan [Member] \| 65% - 80%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	1.73
2015 & prior \| Commercial Loan [Member] \| Less than 65%
Schedule of Investments [Line Items]
Avg. Debt-Service Coverage Ratio	3.07