v3.25.2
FAIR VALUE MEASUREMENTS - Schedule of Rollforward on Recurring Basis (Details) - Fair Value, Recurring - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period $ 54 $ 5
Purchases, issuances, sales and settlements:    
Issuances 6 1
Settlements (1) (5)
Transfers into Level 3 13 53
Balance at end of period 72 54
Other Debt Securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period 0 0
Purchases, issuances, sales and settlements:    
Issuances 0 0
Settlements 0 0
Transfers into Level 3 0 0
Balance at end of period 0 0
Loans Receivable    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period 53 0
Purchases, issuances, sales and settlements:    
Issuances 0 0
Settlements 0 0
Transfers into Level 3 13 53
Balance at end of period 66 53
Interest Rate Lock Commitments    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period 1 5
Purchases, issuances, sales and settlements:    
Issuances 6 1
Settlements (1) (5)
Transfers into Level 3 0 0
Balance at end of period $ 6 $ 1