STOCKHOLDERS' EQUITY - Schedule of Changes in the Balance of AOCL, Net of Tax (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 25, 2023	Jun. 26, 2022	Jun. 24, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	$ 9,646	$ 10,002	$ 9,266	$ 10,959
Other comprehensive income (loss) before reclassifications			5	1,577
Total reclassified from AOCL			(61)	1,261
Other comprehensive income (loss), net of tax	7	2,811	(56)	2,838
Ending Balance	9,240	11,432	9,240	11,432
Outstanding pension benefit obligations and related plan assets		4,300		4,300	$ 4,300
Non-cash, non-operating pension settlement charge		1,500		1,500
Non-cash, non-operating pension settlement charge, after tax		$ 1,200		$ 1,200
Non-cash, non-operating pension settlement charge, per share, after tax (in dollars per share)		$ 4.33		$ 4.33
Net of tax	(37)	$ 47	(74)	$ 95
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				1,698
Total reclassified from AOCL			(74)	1,251
Other comprehensive income (loss), net of tax			(74)	2,949
Ending Balance	(7,940)	(8,015)	(7,940)	(8,015)
Other, net
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance			(157)	(42)
Other comprehensive income (loss) before reclassifications			5	(121)
Total reclassified from AOCL			13	10
Other comprehensive income (loss), net of tax			18	(111)
Ending Balance	(139)	(153)	(139)	(153)
AOCL
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Beginning Balance	(8,086)	(10,979)	(8,023)	(11,006)
Other comprehensive income (loss), net of tax	7	2,811	(56)	2,838
Ending Balance	(8,079)	(8,168)	(8,079)	(8,168)
Pension settlement charge
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL				1,156
Recognition of net actuarial losses
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL			58	230
Net of tax	29	115
Amortization of net prior service credits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL			(132)	(135)
Net of tax	$ 66	$ 68
Other
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax
Total reclassified from AOCL			$ 13	$ 10