SHAREHOLDER'S EQUITY SHAREHOLDERS' EQUITY - ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (388)	$ (262)	$ (494)	$ (465)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(134)	211	(43)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	8	21	14
AOCI - Marketable Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(80)	(4)	23	9
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(82)	(23)	25
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	6	(4)	(11)
AOCI - Employee Benefit Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(319)	(252)	(498)	(469)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(69)	221	(52)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	2	25	23
AOCI - Interest Rate Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	11	(6)	(19)	$ (5)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	17	13	(16)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 0	$ 0	$ 2