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Investments - Securities Posted as Collateral (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Securities Posted as Collateral |  |
Mortgage loans | $ 20,142.8 | $ 20,629.8
Pledged as collateral |  |
Securities Posted as Collateral |  |
Fixed maturities available-for-sale and trading securities posted as collateral for a reinsurance arrangement, derivative credit support annex (collateral) agreements, Futures Commission Merchant agreements, a lending arrangement and an obligation under funding agreements with Federal Home Loan Bank of Des Moines | 4,139.7 | 3,569.7
Pledged as collateral | Funding agreements with Federal Home Loan Bank |  |
Securities Posted as Collateral |  |
Mortgage loans | 6,616.8 | 6,411.0
Pledged as collateral with right to be sold or repledged |  |
Securities Posted as Collateral |  |
Securities posted as collateral eligible to be sold or repledged | $ 519.9 | $ 503.8

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- Definition Carrying amount as of the balance sheet date of fixed maturity securities that have been pledged as collateral for a reinsurance arrangement, derivative credit support annex agreements, Futures Commission Merchant agreements, a lending arrangement and an obligation under funding agreements with Federal Home Loan Bank of Des Moines. + References No definition available. + Details
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Balance Type: | debit
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- References No definition available. + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481961/940-320-45-2 + Details
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- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
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- Details
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- Details
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