POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Sep. 24, 2023	Sep. 29, 2024	Sep. 24, 2023
Defined Benefit Plan Disclosure [Line Items]
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax	$ 25,000,000	$ (47,000,000)	$ 73,000,000	$ (141,000,000)
Amortization of actuarial gains (losses), net of tax	19,000,000	(37,000,000)	57,000,000	(111,000,000)
Material contributions to qualified defined benefit pension plans	$ 0	$ 0	$ 0	$ 0