RETIREMENT BENEFITS - Narrative (Details) $ in Millions					12 Months Ended
	Oct. 31, 2025 USD ($)	Oct. 28, 2025 USD ($) employee	Mar. 14, 2025 USD ($) employee	Feb. 28, 2025 USD ($)	Jan. 01, 2027	Jan. 02, 2026 USD ($)	Jan. 03, 2025 USD ($)	Dec. 29, 2023 USD ($)	Dec. 31, 2035
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage match of the employee contribution						6.00%
Matching contributions charged to expense						$ 265	$ 276	$ 267
Funded plan assets						1,336	0
Defined benefit plan, benefit obligation, actuarial gain (loss)						(97)	378
Actual return on plan assets						795	722
Accumulated benefit obligation for all defined benefit pension plans						$ 6,100	7,600
Private equity funds, liquidity restrictions term						10 years
Employer contributions						$ 45	54
Required employer contributions in fiscal 2024 and beyond						18
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded plan assets						1,336	0
Defined benefit plan, benefit obligation, actuarial gain (loss)						$ (104)	$ 374
Discount rate						5.29%	5.46%
Actual return on plan assets						$ 766	$ 700
Reduction in pension benefit obligations for plan assets transferred to annuity							$ 333
Expected return on plan assets rate						7.46%	7.45%	7.46%
Employer contributions						$ 38	$ 45
Pension | Consolidated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of total plan assets						85.00%
Percentage of total projected benefit obligation						86.00%
Discount rate						5.30%
Expected return on plan assets rate						7.50%
Pension | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Transfer of benefit obligation			$ 1,200
Defined benefit plan, number of employees | employee			22,000
Funded plan assets			$ 1,200
Pre-tax settlement gain						$ 14
Defined benefit plan, benefit obligation, actuarial gain (loss)				$ (54)
Loss from decrease in discount rate				$ 148
Discount rate				5.22%			5.49%
Actual return on plan assets				$ 94
Expected return on plan assets rate						7.50%
Employer contributions						$ 23
Pension | Canada
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Transfer of benefit obligation		$ 155
Defined benefit plan, number of employees | employee		1,500
Funded plan assets		$ 155
Pre-tax settlement gain		$ 48
Defined benefit plan, benefit obligation, actuarial gain (loss)	$ 23
Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Ultimate per capita cost of healthcare assumed (percent)					8.91%				4.53%
Forecast | Pension | Consolidated Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets rate					7.50%
Private equity funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plans, future unfunded commitments on NAV equity funds investments						$ 371	$ 539
Real asset funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Minimum redemption notice period permitted on NAV equity funds investments						90 days
Alternative investments
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Minimum redemption notice period permitted on NAV equity funds investments						90 days