RETIREMENT BENEFITS - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 02, 2026	Jan. 03, 2025	Dec. 29, 2023	Dec. 30, 2022	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		$ 276,000,000	$ 267,000,000	$ 226,000,000
Accumulated benefit obligation for all defined benefit pension plans		$ 7,585,000,000	8,563,000,000
Private equity funds, liquidity restrictions term		10 years
Employer contributions		$ 54,000,000	$ 29,000,000
Required employer contributions in fiscal 2024 and beyond		23,000,000
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Reduction in pension benefit obligations for plan assets transferred to annuity		$ 333,000,000
Expected return on plan assets rate		7.45%	7.46%	7.44%
Employer contributions		$ 45,000,000	$ 20,000,000
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%
Expected return on plan assets rate		7.50%
Pension | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets rate		7.50%
Employer contributions		$ 30,000,000
Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Ultimate per capita cost of healthcare assumed (percent)	8.23%				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		$ 539,000,000	550,000,000
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]
Defined benefit plans, future unfunded commitments on NAV equity funds investments		$ 0	$ 0
Minimum redemption notice period permitted on NAV equity funds investments		90 days