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INVESTMENTS - Nonaccrual Loans (Detail) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | $ 11,224 |  | $ 12,801 |
Loans on nonaccrual status | 486 |  | 718 |
Loans 90 days or more past due and still accruing interest | 0 |  | 0 |
Current |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 10,558 |  | 12,050 |
Less Than 90 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 258 |  | 141 |
90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 408 |  | 610 | [1]
Total Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 666 |  | 751 |
Transitional real estate loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 4,902 |  | 6,114 |
Loans on nonaccrual status | 378 |  | 633 |
Transitional real estate loans | Current |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 4,364 |  | 5,481 |
Transitional real estate loans | Less Than 90 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 195 |  | 108 |
Transitional real estate loans | 90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 343 | [2] | 525 | [1]
Transitional real estate loans | Total Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 538 |  | 633 |
Commercial mortgage loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 1,537 |  | 1,709 |
Loans on nonaccrual status | 0 |  | 0 |
Commercial mortgage loans | Current |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 1,537 |  | 1,676 |
Commercial mortgage loans | Less Than 90 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 |  | 33 |
Commercial mortgage loans | 90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 | [2] | 0 | [1]
Commercial mortgage loans | Total Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 |  | 33 |
Middle market loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 4,423 |  | 4,677 |
Loans on nonaccrual status | 108 |  | 85 |
Middle market loans | Current |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 4,295 |  | 4,592 |
Middle market loans | Less Than 90 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 63 |  | 0 |
Middle market loans | 90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 65 | [2] | 85 | [1]
Middle market loans | Total Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 128 |  | 85 |
Other loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 362 |  | 301 |
Loans on nonaccrual status | 0 |  | 0 |
Other loans | Current |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 362 |  | 301 |
Other loans | Less Than 90 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 |  | 0 |
Other loans | 90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 | [2] | 0 | [1]
Other loans | Total Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | $ 0 |  | $ 0 |
[1] | As of December 31, 2023, there were no loans that were 90 days or more past due that continued to accrue interest.
[2] | As of December 31, 2024, there were no loans that were 90 days or more past due that continued to accrue interest.

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