COMMITMENTS, GUARANTEES, PRODUCT WARRANTIES AND OTHER LOSS CONTINGENCIES - Commitments (Details) $ in Millions	Jun. 30, 2024 USD ($)
Investment commitments
Long-term Purchase Commitment [Line Items]
Commitments	$ 3,930
Run-off Insurance Operations
Long-term Purchase Commitment [Line Items]
Commitments	3,774
Run-off insurance operations, unconsolidated VIE investment commitment
Long-term Purchase Commitment [Line Items]
Commitments	3,671
Unfunded lending commitments
Long-term Purchase Commitment [Line Items]
Commitments	656
Financial assistance
Long-term Purchase Commitment [Line Items]
Commitments	$ 2,696