RETIREMENT BENEFITS - Pre-tax Amounts Recorded in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	Jan. 03, 2025	Dec. 29, 2023
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss	$ (331)	$ 64
Net prior service (credit) cost	(142)	(153)
Total recognized in accumulated other comprehensive income (loss), pre-tax	(473)	(89)
Pension
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss	(245)	162
Net prior service (credit) cost	(144)	(157)
Total recognized in accumulated other comprehensive income (loss), pre-tax	(389)	5
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss	(86)	(98)
Net prior service (credit) cost	2	4
Total recognized in accumulated other comprehensive income (loss), pre-tax	$ (84)	$ (94)

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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