Commercial Mortgage Loans, Percentage of Investments

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Highest loan to value ratio present in the loan portfolio.

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Residential Mortgage Loans, Location Percentage

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Percentage of the total residential loan portfolio

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- Definition

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Balance held at close of period in number of shares.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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Amount of investments classified as other.

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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.

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Investments - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Investments - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019	Mar. 31, 2016
Debt Securities, Available-for-sale [Line Items]
Non-income producing investment fair value	$ 0	$ 0
Accrued interest receivable	254	$ 16
FHLB collateral pledged	$ 1,497
Commercial mortgage loans, percentage of investments	2.00%
DSC ratio, amortization period	25 years
Cannae Holdings Inc. \| Equity securities
Debt Securities, Available-for-sale [Line Items]
Investment owned, (in shares)	5,706,134	5,706,134
Investment owned, at fair value	$ 213	$ 212
Commitment to Invest
Debt Securities, Available-for-sale [Line Items]
Unfunded investment commitment	1,677
Crescent Capital BDC Inc. \| Commitment to Invest
Debt Securities, Available-for-sale [Line Items]
Unfunded investment commitment			$ 83
Golub Capital Partners 10, L.P. \| Commitment to Invest
Debt Securities, Available-for-sale [Line Items]
Other investments	1,343
Unfunded investment commitment	1,161
Variable Interest Entity, Primary Beneficiary \| B I S A Co Invest Fund I I L. P.
Debt Securities, Available-for-sale [Line Items]
Other investments	$ 75
United States
Debt Securities, Available-for-sale [Line Items]
Residential mortgage loans, location percentage	100.00%
Available-for-sale Securities
Debt Securities, Available-for-sale [Line Items]
Assets held by insurance regulators	$ 20,200	$ 94
Commercial mortgage loans
Debt Securities, Available-for-sale [Line Items]
Loan to value, threshold (less than)	75.00%
Residential mortgage loans
Debt Securities, Available-for-sale [Line Items]
% of Total	3.00%