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FINANCIAL INSTRUMENTS - Balance Sheets (Details) - Fair Value Hedging - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Derivative [Line Items]    
Carrying Amount of Hedged Long-Term Debt $ 1,803 $ 658
Hedge Accounting Basis Adjustment 20 (29)
Deferred (gain) loss on discontinuation of fair value hedge $ 2 $ 5