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Revenues from Contracts with Customers - Disaggregation by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total fees and other revenues per consolidated statements of operations | $ 1,128.7 | $ 1,091.1 | $ 3,289.0 | $ 3,205.4
Operating Segments |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 779.8 | 773.1 | 2,275.6 | 2,262.2
Operating Segments | Retirement and Income Solutions |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 155.4 | 169.3 | 449.3 | 493.3
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 303.9 | 283.9 | 885.4 | 838.7
Total fees and other revenues per consolidated statements of operations | 459.3 | 453.2 | 1,334.7 | 1,332.0
Operating Segments | Principal Asset Management |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 532.5 | 522.7 | 1,566.8 | 1,521.3
Operating Segments | Benefits and Protection |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 27.0 | 28.5 | 78.5 | 81.3
Operating Segments | Corporate |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 64.9 | 52.6 | 181.0 | 166.3
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | (81.4) | (78.7) | (238.4) | (235.8)
Total fees and other revenues per consolidated statements of operations | (16.5) | (26.1) | (57.4) | (69.5)
Operating Segments | Investment Management | Principal Asset Management |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 448.6 | 433.9 | 1,308.4 | 1,253.9
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 8.9 | 4.1 | 21.5 | 14.9
Total fees and other revenues per consolidated statements of operations | 457.5 | 438.0 | 1,329.9 | 1,268.8
Operating Segments | International Pension | Principal Asset Management |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 88.7 | 92.3 | 272.5 | 279.2
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 5.7 | 1.3 | 8.4 | 4.1
Total fees and other revenues per consolidated statements of operations | 94.4 | 93.6 | 280.9 | 283.3
Operating Segments | Specialty Benefits | Benefits and Protection |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 4.0 | 3.8 | 11.7 | 11.6
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 4.4 | 4.4 | 13.1 | 13.4
Total fees and other revenues per consolidated statements of operations | 8.4 | 8.2 | 24.8 | 25.0
Operating Segments | Life Insurance | Benefits and Protection |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | 23.1 | 24.7 | 66.9 | 69.8
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 89.7 | 84.9 | 271.1 | 251.6
Total fees and other revenues per consolidated statements of operations | 112.8 | 109.6 | 338.0 | 321.4
Operating Segments | Benefits And Protection Eliminations | Benefits and Protection |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | (0.1) |  | (0.1) | (0.1)
Operating Segments | Principal Asset Management Eliminations | Principal Asset Management |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Total segment revenue from contracts with customers | (4.8) | (3.5) | (14.1) | (11.8)
Reconciling items |  |  |  |
Revenues from Contracts with Customers - Disaggregation of Revenues |  |  |  |
Adjustments for fees and other revenues not within the scope of revenue recognition guidance | 331.2 | 299.7 | 961.1 | 886.5
Pre-tax other adjustments | $ 17.7 | $ 18.3 | $ 52.3 | $ 56.7

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