COMMITMENTS, GUARANTEES, PRODUCT WARRANTIES AND OTHER LOSS CONTINGENCIES - Commitments (Details) $ in Millions	Sep. 30, 2024 USD ($)
Investment commitments
Long-term Purchase Commitment [Line Items]
Commitments	$ 3,686
Run-off Insurance operations
Long-term Purchase Commitment [Line Items]
Commitments	3,530
Run-off insurance operations, unconsolidated VIE investment commitment
Long-term Purchase Commitment [Line Items]
Commitments	3,459
Unfunded lending commitments
Long-term Purchase Commitment [Line Items]
Commitments	656
Financial assistance
Long-term Purchase Commitment [Line Items]
Commitments	$ 2,676