ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 9	$ 3
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	14	(33)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(365)	(292)	$ (388)	$ (262)
Marketable Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	5	2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	16	(42)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(59)	(44)	(80)	(4)
AOCI Employee Benefit Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	4	1
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Accumulated Other Comprehensive Income (Loss), Net of Tax	(315)	(251)	(319)	(252)
AOCI - Interest Rate Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(2)	9
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 9	$ 3	$ 11	$ (6)