PRIVATE LOANS - Schedule of Allowances for Credit Losses for Private Loans (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance		$ (30)
Ending balance	$ (56)
Private Loan
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	(41)	(44)	$ (27)	$ (28)
Recoveries		2		1
Provision	(15)		(3)
Write-offs charged against the allowance		1		0
Ending balance	$ (56)	$ (41)	$ (30)	$ (27)

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

+ References

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