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Future Policy Benefits and Claims - Disaggregated Amounts Included in Future Policy Benefits and Claims (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | $ 35,230.6 | $ 34,064.4 |  | $ 43,489.8
Additional liability for certain benefit features | 4,335.0 | 4,095.2 |  |
Participating contracts | 3,131.8 | 3,207.2 |  |
Short-duration contracts | 1,296.8 | 1,295.6 |  |
Cost of reinsurance liability | 183.1 | 191.1 |  |
Reinsurance recoverable liability | 44.8 | 39.4 |  |
Other | 101.4 | 132.4 |  |
Future policy benefits and claims per consolidated statements of financial position | 44,323.5 | 43,025.3 |  |
Retirement and Income Solutions |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 27,064.0 | 26,230.8 |  | 33,009.5
Retirement and Income Solutions | Pension risk transfer |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 22,121.2 | 21,211.4 |  | 25,863.7
Retirement and Income Solutions | Individual fixed income annuities |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 4,942.8 | 5,019.4 |  | 7,145.8
Principal Asset Management | Principal International | Latin America | Individual fixed income annuities |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 5,204.7 | 5,042.3 |  | 6,561.5
Benefits and Protection |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 2,767.4 | 2,607.8 |  | 3,661.2
Benefits and Protection | Specialty Benefits | Individual disability |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 1,805.2 | 1,698.8 | $ 2,498.4 | 2,500.9
Benefits and Protection | Life Insurance | Term life |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | 962.2 | 909.0 | 1,117.6 | 1,160.3
Benefits and Protection | Life Insurance | Universal life |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Additional liability for certain benefit features | 4,335.0 | 4,095.2 | 3,814.2 |
Corporate | Long-term care insurance |  |  |  |
Future Policy Benefits and Claims |  |  |  |
Liability for future policy benefits | $ 194.5 | $ 183.5 | $ 234.7 | $ 257.6

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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of present value of total expected payment to policyholder in excess of present value of total expected assessment, discounted at original rate. Excludes benefit classified as market risk benefit or under provisions of Topic 815 on derivative and hedging. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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