v3.25.2
Investments - Loans by U.S. Region (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Year of Origination 2025 [Member] | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 68  
Year of Origination 2025 [Member] | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 48  
Year of Origination 2025 [Member] | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 111  
Year of Origination 2025 [Member] | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 21  
Year of Origination 2025 [Member] | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 13  
Year of Origination 2025 [Member] | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 51  
Year of Origination 2025 [Member] | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 29  
Year of Origination 2025 [Member] | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 13  
Year of Origination 2025 [Member] | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 13  
Year of Origination 2025 [Member] | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 367  
Year of Origination 2024 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 51 $ 50
Year of Origination 2024 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 72 60
Year of Origination 2024 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 39 31
Year of Origination 2024 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 54 51
Year of Origination 2024 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 17 17
Year of Origination 2024 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 3
Year of Origination 2024 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7 7
Year of Origination 2024 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2 2
Year of Origination 2024 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 9 8
Year of Origination 2024 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 262 229
Year of Origination 2023 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 25 37
Year of Origination 2023 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 36 67
Year of Origination 2023 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 14 10
Year of Origination 2023 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 74 75
Year of Origination 2023 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 16 16
Year of Origination 2023 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 26 27
Year of Origination 2023 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2 2
Year of Origination 2023 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 20 20
Year of Origination 2023 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2 2
Year of Origination 2023 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 215 256
Year of Origination 2022 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 127 114
Year of Origination 2022 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 96 108
Year of Origination 2022 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 51 46
Year of Origination 2022 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 79 87
Year of Origination 2022 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 97 78
Year of Origination 2022 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 94 80
Year of Origination 2022 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1 1
Year of Origination 2022 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7 1
Year of Origination 2022 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 19 20
Year of Origination 2022 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 571 535
Year of Origination 2021 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 83 75
Year of Origination 2021 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 45 33
Year of Origination 2021 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 94 95
Year of Origination 2021 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 68 88
Year of Origination 2021 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 97 83
Year of Origination 2021 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 37 32
Year of Origination 2021 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11 9
Year of Origination 2021 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 10 15
Year of Origination 2021 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0 0
Year of Origination 2021 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 445 430
Year of Origination 2020 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 591 52
Year of Origination 2020 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 657 104
Year of Origination 2020 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 547 13
Year of Origination 2020 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 186 8
Year of Origination 2020 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 181 8
Year of Origination 2020 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 219 10
Year of Origination 2020 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 49 0
Year of Origination 2020 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 141 5
Year of Origination 2020 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 73 12
Year of Origination 2020 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,644 212
Year of Origination 2019 | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   446
Year of Origination 2019 | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   472
Year of Origination 2019 | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   515
Year of Origination 2019 | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   130
Year of Origination 2019 | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   156
Year of Origination 2019 | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   112
Year of Origination 2019 | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   38
Year of Origination 2019 | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   81
Year of Origination 2019 | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   20
Year of Origination 2019 | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss   1,970
Total Segment | Pacific    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 945 774
Total Segment | South Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 954 844
Total Segment | Middle Atlantic    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 856 710
Total Segment | West South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 482 439
Total Segment | Mountain    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 421 358
Total Segment | East North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 438 264
Total Segment | New England    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 99 57
Total Segment | West North Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 193 124
Total Segment | East South Central    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 116 62
Total Segment | Total Segment    
Open Option Contracts Written [Line Items]    
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 4,504 $ 3,632