v3.25.2
Investments (excluding Consolidated Investment Entities) - Loans by Debt Service Coverage Ratio (Details)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
>1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Debt Service Coverage Ratio, minimum 1.5 1.5
>1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Debt Service Coverage Ratio, minimum 1.25 1.25
Debt Service Coverage Ratio, maximum 1.5 1.5
>1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Debt Service Coverage Ratio, minimum 1.0 1.0
Debt Service Coverage Ratio, maximum 1.25 1.25
Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Debt Service Coverage Ratio, maximum 1.0 1.0
Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans $ 5,531 $ 4,699
Year of Origination 2025 [Member] | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 249  
Year of Origination 2025 [Member] | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 102  
Year of Origination 2025 [Member] | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 73  
Year of Origination 2025 [Member] | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 0  
Year of Origination 2025 [Member] | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 424  
Year of Origination 2024 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 143 161
Year of Origination 2024 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 106 93
Year of Origination 2024 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 62 28
Year of Origination 2024 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 6 2
Year of Origination 2024 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 317 284
Year of Origination 2023 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 169 118
Year of Origination 2023 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 31 180
Year of Origination 2023 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 88 48
Year of Origination 2023 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 13 11
Year of Origination 2023 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 301 357
Year of Origination 2022 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 341 295
Year of Origination 2022 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 100 101
Year of Origination 2022 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 111 76
Year of Origination 2022 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 93 144
Year of Origination 2022 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 645 616
Year of Origination 2021 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 312 258
Year of Origination 2021 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 12 16
Year of Origination 2021 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 87 97
Year of Origination 2021 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 113 148
Year of Origination 2021 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 524 519
Year of Origination 2020 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 2,515 207
Year of Origination 2020 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 372 20
Year of Origination 2020 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 339 20
Year of Origination 2020 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 94 8
Year of Origination 2020 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 3,320 255
Year of Origination 2019 | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans   2,018
Year of Origination 2019 | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans   219
Year of Origination 2019 | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans   346
Year of Origination 2019 | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans   85
Year of Origination 2019 | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans   2,668
Total | >1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 3,729 3,057
Total | >1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 723 629
Total | >1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 760 615
Total | Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans 319 398
Total | Total    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Commercial mortgage loans $ 5,531 $ 4,699