v3.25.0.1

ACCUMULATED OTHER COMPREHENSIVE LOSS (Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (1,343)	$ (1,402)
Net other comprehensive income	(1)	59	$ 149
Ending balance	(1,344)	(1,343)	(1,402)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(53)	(54)	(53)
Other comprehensive income (loss) before reclassifications	1	1	0
Net other comprehensive income	1	1	(1)
Ending balance	(52)	(53)	(54)
Pension and Other Postretirement Benefits
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,290)	(1,348)	(1,498)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(57)	(116)	96
Other Comprehensive Income (Loss) before Reclassifications, Tax	13	25	(22)
Other comprehensive income (loss) before reclassifications	(44)	(91)	74
Amounts reclassified from AOCL	42	149	76
Reclassification from AOCI, Current Period, Tax	(13)	(45)	(22)
Net other comprehensive income	(2)	58	150
Ending balance	(1,292)	(1,290)	(1,348)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Amounts reclassified from AOCL	0	0	(1)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Pension and Other Postretirement Benefits
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	$ 55	$ 194	$ 98

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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