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v3.23.2

Derivative Financial Instruments - Fair Value Hedges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023 | Dec. 31, 2022
Fixed maturities, available-for-sale |  |  |
Fair Value Hedges |  |  |
Carrying amount of hedged item - Active hedging relationships | $ 3,441.6 | $ 3,441.6 | $ 3,498.6
Hedged Asset, Statement of Financial Position [Extensible Enumeration] | Debt Securities, Available-for-Sale, Excluding Accrued Interest | Debt Securities, Available-for-Sale, Excluding Accrued Interest | Debt Securities, Available-for-Sale, Excluding Accrued Interest
Carrying amount of hedged item - Discontinued hedging relationships | $ 77.2 | $ 77.2 | $ 48.8
Carrying amount of hedged item - Active or discontinued hedging relationships | 3,518.8 | 3,518.8 | 3,547.4
Cumulative amount of fair value hedging basis adjustment - Active hedging relationships | (138.3) | (138.3) | (153.4)
Cumulative amount of fair value hedging basis adjustment - Discontinued hedging relationships | 0.1 | 0.1 | 1.3
Cumulative amount of fair value hedging basis adjustment - Active or discontinued hedging relationships | (138.2) | (138.2) | (152.1)
Amortized cost basis of closed portfolio used in last-of-layer hedging relationship | 3,234.8 | 3,234.8 | 3,256.9
Cumulative basis adjustments associated with last-of-layer hedging relationship | (100.8) | (100.8) | (102.4)
Amount of hedged item in last-of-layer hedging relationship | 1,210.0 | 1,210.0 | 1,110.0
Amount of derivative instruments' gain (loss) was excluded from the assessment of hedge effectiveness | 0.0 | (0.8) |
Investment contracts |  |  |
Fair Value Hedges |  |  |
Carrying amount of hedged item - Active hedging relationships | $ 297.5 | $ 297.5 | $ 0.0
Hedged Asset, Statement of Financial Position [Extensible Enumeration] | Accrued Investment Income Receivable | Accrued Investment Income Receivable | Accrued Investment Income Receivable
Carrying amount of hedged item - Active or discontinued hedging relationships | $ 297.5 | $ 297.5 |
Cumulative amount of fair value hedging basis adjustment - Active hedging relationships | (2.6) | (2.6) |
Cumulative amount of fair value hedging basis adjustment - Active or discontinued hedging relationships | $ (2.6) | $ (2.6) |

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- Definition Net gain (loss) relating to components of the gain (loss) on the fair value hedging instrument excluded from the assessment of fair value hedge effectiveness. Recognized in earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 25 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480238/815-25-50-1 + Details
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