RETIREMENT BENEFITS - Funded Status of Plan and Balance Sheet Information (Details) - USD ($) $ in Millions	Jan. 02, 2026	Jan. 03, 2025
Defined Benefit Plan Disclosure [Line Items]
Other non-current assets	$ 1,368	$ 986
Compensation and benefits	(18)	(18)
Other non-current liabilities	(183)	(187)
Pension
Defined Benefit Plan Disclosure [Line Items]
Other non-current assets	1,226	873
Compensation and benefits	(12)	(12)
Other non-current liabilities	(137)	(139)
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Other non-current assets	142	113
Compensation and benefits	(6)	(6)
Other non-current liabilities	$ (46)	$ (48)