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Deferred Acquisition Costs and Other Actuarial Balances - Unearned Revenue Liability (Details) - Benefits and Protection - Life Insurance - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Actuarial Balances
Total unearned revenue liability	$ 482.0	$ 467.4		$ 384.4
Universal life
Other Actuarial Balances
Total unearned revenue liability	473.6	459.0	$ 425.3	$ 384.4
Other balances
Other Actuarial Balances
Total unearned revenue liability	$ 8.4	$ 8.4

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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.

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No definition available.

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- Definition

Represents collected fees or other policyholder assessments, inclusive of cost of insurance charges, administrative charges and other similar fees, for services to be provided in future periods.

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No definition available.

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- Details

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- Details

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