POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 25, 2023	Jun. 26, 2022	Jun. 24, 2022
Defined Benefit Plan Disclosure [Line Items]
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax	$ (47,000,000)	$ 62,000,000	$ (94,000,000)	$ 123,000,000
Amortization of actuarial losses, net of tax	(37,000,000)	47,000,000	(74,000,000)	95,000,000
Non-cash, non-operating pension settlement charge		1,500,000,000		1,500,000,000
Non-cash, non-operating pension settlement charge, after tax		$ 1,200,000,000		$ 1,200,000,000
Non-cash, non-operating pension settlement charge, per share, after tax (in dollars per share)		$ 4.33		$ 4.33
Outstanding pension benefit obligations and related plan assets		$ 4,300,000,000		$ 4,300,000,000	$ 4,300,000,000
Material contributions to qualified defined benefit pension plans	0	0	0	0
Retiree medical and life insurance plans
Defined Benefit Plan Disclosure [Line Items]
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax	$ 4,000,000	$ 6,000,000	$ 7,000,000	$ 11,000,000