SPECIAL ITEMS - Operating And Non-Operating (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 64	$ 74	$ 211	$ 254
Integration costs
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	61	90	154	128
Labor and other
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 3	$ (16)	$ 57	$ 126