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Investments - Mortgage Loans (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Commercial mortgage loans |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, purchased | $ 39.9 | $ 57.0 |
Mortgage loans, sold | 68.9 | 0.8 |
Mortgage loans, Total amortized cost | $ 16,659.4 |  | $ 17,072.7
Percent of mortgage loans (as a percent) | 100.00% |  | 100.00%
Commercial mortgage loans | Office |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 3,060.1 |  | $ 3,182.9
Percent of mortgage loans (as a percent) | 18.40% |  | 18.50%
Commercial mortgage loans | Retail |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 1,445.5 |  | $ 1,476.9
Percent of mortgage loans (as a percent) | 8.70% |  | 8.70%
Commercial mortgage loans | Industrial |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 4,130.7 |  | $ 4,364.5
Percent of mortgage loans (as a percent) | 24.80% |  | 25.60%
Commercial mortgage loans | Apartments |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 7,171.8 |  | $ 7,220.4
Percent of mortgage loans (as a percent) | 43.00% |  | 42.30%
Commercial mortgage loans | Hotel |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 64.1 |  | $ 65.0
Percent of mortgage loans (as a percent) | 0.40% |  | 0.40%
Commercial mortgage loans | Mixed use/other |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 787.2 |  | $ 763.0
Percent of mortgage loans (as a percent) | 4.70% |  | 4.50%
Commercial mortgage loans | New England |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 342.9 |  | $ 347.2
Percent of mortgage loans (as a percent) | 2.10% |  | 2.00%
Commercial mortgage loans | Middle Atlantic |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 4,567.9 |  | $ 4,714.9
Percent of mortgage loans (as a percent) | 27.50% |  | 27.70%
Commercial mortgage loans | East North Central |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 457.3 |  | $ 591.0
Percent of mortgage loans (as a percent) | 2.70% |  | 3.50%
Commercial mortgage loans | West North Central |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 358.1 |  | $ 394.0
Percent of mortgage loans (as a percent) | 2.10% |  | 2.30%
Commercial mortgage loans | South Atlantic |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 2,978.0 |  | $ 2,987.7
Percent of mortgage loans (as a percent) | 17.90% |  | 17.50%
Commercial mortgage loans | East South Central |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 415.7 |  | $ 417.7
Percent of mortgage loans (as a percent) | 2.50% |  | 2.40%
Commercial mortgage loans | West South Central |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 1,306.9 |  | $ 1,310.5
Percent of mortgage loans (as a percent) | 7.80% |  | 7.70%
Commercial mortgage loans | Mountain |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 972.9 |  | $ 979.5
Percent of mortgage loans (as a percent) | 5.80% |  | 5.70%
Commercial mortgage loans | Pacific |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 4,756.4 |  | $ 4,851.9
Percent of mortgage loans (as a percent) | 28.60% |  | 28.40%
Commercial mortgage loans | International |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, Total amortized cost | $ 503.3 |  | $ 478.3
Percent of mortgage loans (as a percent) | 3.00% |  | 2.80%
Residential mortgage loans |  |  |
Mortgage loan disclosures |  |  |
Mortgage loans, purchased | $ 265.0 | 38.4 |
Mortgage loans, sold | 3.9 | $ 4.9 |
Mortgage loans, Total amortized cost | $ 3,796.5 |  | $ 3,607.4

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