STOCKHOLDERS' EQUITY - Schedule of Changes in the Balance of AOCL, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	$ 9,266	$ 10,959
Other comprehensive income (loss) before reclassifications	(29)	(22)
Total reclassified from AOCL	(34)	49
Other comprehensive (loss) income, net of tax	(63)	27
Ending Balance	9,646	10,002
Postretirement Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(7,866)	(10,964)
Other comprehensive income (loss) before reclassifications	0
Total reclassified from AOCL	(37)	48
Other comprehensive (loss) income, net of tax	(37)	48
Ending Balance	(7,903)	(10,916)
Other, net
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(157)	(42)
Other comprehensive income (loss) before reclassifications	(29)	(22)
Total reclassified from AOCL	3	1
Other comprehensive (loss) income, net of tax	(26)	(21)
Ending Balance	(183)	(63)
AOCL
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(8,023)	(11,006)
Other comprehensive (loss) income, net of tax	(63)	27
Ending Balance	(8,086)	(10,979)
Recognition of net actuarial losses
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	29	115
Amortization of net prior service credits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	(66)	(67)
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL	$ 3	$ 1