INVESTMENTS - Transitional Real Estate Loans by Key Credit Quality Indicators (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Loan-to-Value Ratio:
Total	$ 10,191	$ 11,224
Transitional real estate loans
Loan-to-Value Ratio:
2025	0
2024	0
2023	41
2022	1,549
2021	1,531
Prior	767
Total	3,888	$ 4,902
Current-period gross writeoffs:
2025	0
2024	0
2023	0
2022	5
2021	0
Prior	24
Total	29
Transitional real estate loans | Loan to Value Ratio, 0% to 59.99%
Loan-to-Value Ratio:
2025	0
2024	0
2023	0
2022	319
2021	344
Prior	10
Total	673
Transitional real estate loans | Loan to Value Ratio, 60% to 69.99%
Loan-to-Value Ratio:
2025	0
2024	0
2023	27
2022	397
2021	423
Prior	403
Total	1,250
Transitional real estate loans | Loan to Value Ratio, 70% to 79.99%
Loan-to-Value Ratio:
2025	0
2024	0
2023	14
2022	678
2021	512
Prior	24
Total	1,228
Transitional real estate loans | Loan to Value Ratio, 80% or greater
Loan-to-Value Ratio:
2025	0
2024	0
2023	0
2022	155
2021	252
Prior	330
Total	$ 737