STOCKHOLDERS' EQUITY - Schedule of Changes in the Balance of AOCL, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 26, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	$ 6,835	$ 9,266
Other comprehensive income (loss) before reclassifications	(41)	(29)
Total reclassified from AOCL	33	(34)
Other comprehensive (loss), net of tax	(8)	(63)
Ending Balance	6,650	9,646
Postretirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(8,704)	(7,866)
Other comprehensive income (loss) before reclassifications	0	0
Total reclassified from AOCL	19	(37)
Other comprehensive (loss), net of tax	19	(37)
Ending Balance	(8,685)	(7,903)
Other, net
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(99)	(157)
Other comprehensive income (loss) before reclassifications	(41)	(29)
Total reclassified from AOCL	14	3
Other comprehensive (loss), net of tax	(27)	(26)
Ending Balance	(126)	(183)
AOCL
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(8,803)	(8,023)
Other comprehensive (loss), net of tax	(8)	(63)
Ending Balance	(8,811)	(8,086)
Amortization of net actuarial losses
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	47	29
Amortization of net prior service credits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	(28)	(66)
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	$ 14	$ 3