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v3.23.1

Nature of Operations and Significant Accounting Policies - Cumulative effect adjustment on consolidated statements of financial position (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2020
--- | --- | --- | ---
Assets |  |  |
Other investments | $ (6,421.5) | $ (6,122.0) |
Reinsurance recoverable and deposit receivable | 20,881.5 | 21,154.0 |
Premiums due and other receivables | (3,837.6) | (3,933.3) |
Deferred acquisition costs | 3,948.3 | 3,948.0 | $ 3,822.3
Market risk benefit asset | 107.3 | 109.2 |
Other assets | 1,005.1 | 1,205.6 |
Total assets | 299,408.2 | 290,578.3 |
Liabilities |  |  |
Contractholder funds | 42,958.0 | 42,825.3 |
Future policy benefits and claims | 44,699.9 | 43,025.3 |
Market risk benefit liability | 194.4 | 207.4 |
Other policyholder funds | 930.9 | 911.5 |
Deferred income taxes | (1,417.1) | (1,324.2) |
Total liabilities | 288,874.7 | 280,298.5 |
Stockholders' equity |  |  |
Retained earnings | 16,398.8 | 16,697.3 |
Accumulated other comprehensive income (loss) | (6,201.3) | (6,879.0) |
Total stockholders' equity | 10,217.9 | 9,976.7 |
Total liabilities and stockholders' equity | $ 299,408.2 | $ 290,578.3 |
Effects of implementation of accounting change | ASU 2018-12 - Targeted improvements to the accounting for long-duration insurance contracts |  |  |
Assets |  |  |
Other investments |  |  | (1.6)
Reinsurance recoverable and deposit receivable |  |  | 187.7
Premiums due and other receivables |  |  | (24.4)
Deferred acquisition costs |  |  | 450.9
Market risk benefit asset |  |  | 18.9
Other assets |  |  | 19.3
Total assets |  |  | 650.8
Liabilities |  |  |
Contractholder funds |  |  | (397.9)
Future policy benefits and claims |  |  | 7,143.4
Market risk benefit liability |  |  | 663.5
Other policyholder funds |  |  | 48.8
Deferred income taxes |  |  | (1,519.1)
Total liabilities |  |  | 5,938.7
Stockholders' equity |  |  |
Retained earnings |  |  | (159.9)
Accumulated other comprehensive income (loss) |  |  | (5,128.0)
Total stockholders' equity |  |  | (5,287.9)
Total liabilities and stockholders' equity |  |  | $ 650.8

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