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VARIABLE INTEREST ENTITIES AND EQUITY METHOD INVESTMENTS - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]    
Total investment $ 7,800 $ 7,500
Quoted market price 1,100 1,000
Common stock    
Schedule of Equity Method Investments [Line Items]    
Total investment $ 1,000 $ 901