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FAIR VALUES MEASUREMENTS - Carrying Amounts and Fair Values of Financial Instruments (Details) - Unsecured Debt - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Carrying Amount    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Carrying Amount $ 8,350 $ 8,350
Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 6,943 $ 6,832