SPECIAL ITEMS - Operating And Non-Operating (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 56	$ 146	$ 147	$ 180
Integration costs
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	53	30	93	38
Labor and other
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 3	$ 116	$ 54	$ 142