Mortgage Loans (Details) - Table - Aging and Delinquency Statistics - Conventional Mortgage Loan - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | $ 630 | $ 640 |
| In process of foreclosure, included above | 1 | 1 |
| Financing Receivable, Nonaccrual | $ 17 | $ 15 |
| Serious delinquencies as a percentage of total mortgage loans outstanding | 2.71% | 2.42% |
| Mortgage loans on nonaccrual status, with no allowance | $ 5 | $ 5 |
| 30 to 59 Days Past Due | ||
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | 10 | 8 |
| 60 to 89 Days Past Due | ||
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | 2 | 3 |
| Equal to or Greater than 90 Days Past Due | ||
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | 17 | 15 |
| Financial Asset, Past Due | ||
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | 29 | 26 |
| Financial Asset, Not Past Due | ||
| Mortgage Loan Delinquency Statistics | ||
| Total Amortized Cost | $ 601 | $ 614 |
| X | ||||||||||
- Definition Loans that are 90 days or more past due or in the process of foreclosure (including past due or current loans in the process of foreclosure) as a percentage of total mortgage loans outstanding. No definition available.
|
| X | ||||||||||
- Definition Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|