v3.25.2
Investments - Loans by Debt Service Coverage Ratio (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Greater than 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Loans Receivable, Debt Service Coverage Ratio, Minimum 150.00% 150.00%
Greater than 1.5x | Year of Origination 2025 [Member]    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 213  
Greater than 1.5x | Year of Origination 2024    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 119 $ 132
Greater than 1.5x | Year of Origination 2023    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 129 93
Greater than 1.5x | Year of Origination 2022    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 300 254
Greater than 1.5x | Year of Origination 2021    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 257 203
Greater than 1.5x | Year of Origination 2020    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,970 170
Greater than 1.5x | Year of Origination 2019    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   1,461
Greater than 1.5x | Total Segment    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 2,988 $ 2,313
1.25x - 1.5x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Loans Receivable, Debt Service Coverage Ratio, Minimum 125.00% 125.00%
Loans Receivable, Debt Service Coverage Ratio, Maximum 150.00% 150.00%
1.25x - 1.5x | Year of Origination 2025 [Member]    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 83  
1.25x - 1.5x | Year of Origination 2024    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 89 $ 71
1.25x - 1.5x | Year of Origination 2023    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 118
1.25x - 1.5x | Year of Origination 2022    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 87 88
1.25x - 1.5x | Year of Origination 2021    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7 10
1.25x - 1.5x | Year of Origination 2020    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 308 17
1.25x - 1.5x | Year of Origination 2019    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   164
1.25x - 1.5x | Total Segment    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 585 $ 468
1.0x - 1.25x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Loans Receivable, Debt Service Coverage Ratio, Minimum 100.00% 100.00%
Loans Receivable, Debt Service Coverage Ratio, Maximum 125.00% 125.00%
1.0x - 1.25x | Year of Origination 2025 [Member]    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 71  
1.0x - 1.25x | Year of Origination 2024    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 50 $ 24
1.0x - 1.25x | Year of Origination 2023    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 64 36
1.0x - 1.25x | Year of Origination 2022    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 95 63
1.0x - 1.25x | Year of Origination 2021    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 78 88
1.0x - 1.25x | Year of Origination 2020    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 290 20
1.0x - 1.25x | Year of Origination 2019    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   276
1.0x - 1.25x | Total Segment    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 648 $ 507
Less than 1.0x    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Loans Receivable, Debt Service Coverage Ratio, Maximum 100.00% 100.00%
Less than 1.0x | Year of Origination 2025 [Member]    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 0  
Less than 1.0x | Year of Origination 2024    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 4 $ 2
Less than 1.0x | Year of Origination 2023    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 9
Less than 1.0x | Year of Origination 2022    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 89 130
Less than 1.0x | Year of Origination 2021    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 103 129
Less than 1.0x | Year of Origination 2020    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 76 5
Less than 1.0x | Year of Origination 2019    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   69
Less than 1.0x | Total Segment    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 283 344
Total Segment | Year of Origination 2025 [Member]    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 367  
Total Segment | Year of Origination 2024    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 262 229
Total Segment | Year of Origination 2023    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 215 256
Total Segment | Year of Origination 2022    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 571 535
Total Segment | Year of Origination 2021    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 445 430
Total Segment | Year of Origination 2020    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,644 212
Total Segment | Year of Origination 2019    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   1,970
Total Segment | Total Segment    
Schedule of Loans by Debt Service Coverage Ratio [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 4,504 $ 3,632