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FAIR VALUE MEASUREMENTS - Book Values and Fair Values of Financial Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Book values    
Fair Value And Carrying Value By Balance Sheet Grouping [Line Items]    
Short-term debt $ 0 $ 2,126
Current maturities of long-term debt 0 626
Long-term debt 9,436 10,374
Fair values    
Fair Value And Carrying Value By Balance Sheet Grouping [Line Items]    
Short-term debt 0 2,126
Current maturities of long-term debt 0 619
Long-term debt $ 8,714 $ 9,295