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INVESTMENTS - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Allowance for Loan Losses by Portfolio Segment [Roll Forward] |  |  |  |
Balance, beginning of period |  |  | $ (274) |
(Addition to) release of allowance for credit losses | $ (21) | $ (2) | (28) | $ (33)
Balance, end of period | (238) |  | (238) |
Balance, beginning of period | (5) | (6) | (5) | (7)
(Addition to) release of allowance for credit losses | 0 | 0 | 0 | 1
Write-offs, net of recoveries | 0 | 0 | 0 | 0
Change in foreign exchange | 0 | 1 | 0 | 1
Balance, end of period | (5) | (5) | (5) | (5)
Balance, beginning of period | 0 | 0 | 0 | 0
(Addition to) release of allowance for credit losses | 0 | 0 | 0 | 0
Write-offs, net of recoveries | 0 | 0 | 0 | 0
Change in foreign exchange | 0 | 0 | 0 | 0
Balance, end of period | 0 | 0 | 0 | 0
Balance, beginning of period | (252) | (250) | (295) | (223)
(Addition to) release of allowance for credit losses | (19) | (1) | (26) | (28)
Write-offs, net of recoveries | 15 | 0 | 65 | 0
Change in foreign exchange | 0 | 1 | 0 | 1
Balance, end of period | (256) | (250) | (256) | (250)
Transitional real estate loans |  |  |  |
Allowance for Loan Losses by Portfolio Segment [Roll Forward] |  |  |  |
Balance, beginning of period | (114) | (65) | (112) | (54)
(Addition to) release of allowance for credit losses | (24) | (11) | (26) | (22)
Write-offs, net of recoveries | 15 | 0 | 15 | 0
Change in foreign exchange | 0 | 0 | 0 | 0
Balance, end of period | (123) | (76) | (123) | (76)
Commercial mortgage loans |  |  |  |
Allowance for Loan Losses by Portfolio Segment [Roll Forward] |  |  |  |
Balance, beginning of period | (19) | (9) | (16) | (9)
(Addition to) release of allowance for credit losses | 2 | 0 | (1) | 0
Write-offs, net of recoveries | 0 | 0 | 0 | 0
Change in foreign exchange | 0 | 0 | 0 | 0
Balance, end of period | (17) | (9) | (17) | (9)
Middle market loans |  |  |  |
Allowance for Loan Losses by Portfolio Segment [Roll Forward] |  |  |  |
Balance, beginning of period | (99) | (149) | (146) | (129)
(Addition to) release of allowance for credit losses | 1 | 9 | (2) | (11)
Write-offs, net of recoveries | 0 | 0 | 50 | 0
Change in foreign exchange | 0 | 0 | 0 | 0
Balance, end of period | (98) | (140) | (98) | (140)
Other loans and loan commitments |  |  |  |
Allowance for Loan Losses by Portfolio Segment [Roll Forward] |  |  |  |
Balance, beginning of period | (15) | (21) | (16) | (24)
(Addition to) release of allowance for credit losses | 2 | 1 | 3 | 4
Write-offs, net of recoveries | 0 | 0 | 0 | 0
Change in foreign exchange | 0 | 0 | 0 | 0
Balance, end of period | $ (13) | $ (20) | $ (13) | $ (20)

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