STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, stockholders' equity	$ 10,174
Ending balance, stockholders' equity	13,980	$ 10,174
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax	174	40	$ (111)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, stockholders' equity	(593)	(686)	(615)
OCI, before Reclassifications, Net of Tax, Attributable to Parent	176	47	(118)
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	19	46	47
Ending balance, stockholders' equity	(398)	(593)	(686)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, stockholders' equity	10	10	10
OCI, before Reclassifications, Net of Tax, Attributable to Parent	0	0	0
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	0	0	0
Ending balance, stockholders' equity	10	10	10
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, stockholders' equity	(583)	(676)	(605)
OCI, before Reclassifications, Net of Tax, Attributable to Parent	176	47	(118)
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	19	46	47
Ending balance, stockholders' equity	(388)	(583)	(676)
Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest [Member]
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	(2)	(7)	8
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] | Maximum
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	$ (1)	$ (1)	$ (1)