ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (239)	$ (299)	$ (388)	$ (262)
AOCI Tax, Attributable to Parent	78	97	122	83
Reclassification from AOCI, Current Period, Tax	(6)	(7)	(4)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	18	25	8
Other Comprehensive Income (Loss), Tax	(13)	(18)	43
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	42	64	(134)
Marketable Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI before Tax, Attributable to Parent	(21)	(46)	(104)	(5)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	7	13	9
Other Comprehensive Income (Loss), before Reclassifications, before Tax	18	45	(108)
Employee Benefit Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI before Tax, Attributable to Parent	(305)	(358)	(421)	(332)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	17	19	3
Other Comprehensive Income (Loss), before Reclassifications, before Tax	36	44	(92)
Interest Rate Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI before Tax, Attributable to Parent	9	8	15	$ (8)
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, before Tax	$ 1	$ (7)	$ 23