SPECIAL ITEMS - Operating And Non-Operating (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 250	$ 345	$ 443
Special items - net non-operating	0	16	(18)
Integration costs
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	193	208	7
Labor and other
Unusual or Infrequent Item, or Both [Line Items]
Special items - operating	$ 57	$ 137	$ 436