RETIREMENT BENEFITS - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 03, 2025	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021	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		$ 267,000,000	$ 226,000,000	$ 230,000,000
Fair value of plan assets		8,860,000,000	7,653,000,000	9,924,000,000
Projected benefit obligation		8,794,000,000	7,722,000,000	10,355,000,000
Pre-tax curtailment gain as result of employee terminations				3,000,000
Accumulated benefit obligation for all defined benefit pension plans		$ 8,600,000,000
Private equity funds, liquidity restrictions term		10 years
Required employer contributions in fiscal 2024 and beyond		$ 35,000,000
Salaried Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets		7,500,000,000
Projected benefit obligation		7,500,000,000
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets		8,595,000,000	7,411,000,000	9,604,000,000
Projected benefit obligation		$ 8,563,000,000	7,494,000,000	10,007,000,000
Reduction in pension benefit obligations for plan assets transferred to annuity			$ 64,000,000	250,000,000
Reduction in pension plan assets transferred to annuity				250,000,000
Pre-tax loss on pension plan settlements				$ 4,000,000
Discount rate		4.91%	5.18%
Cash balance interest crediting rate		4.50%	4.00%
Expected return on plan assets rate		7.46%	7.44%	7.43%
Pension | Salaried Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of total projected benefit obligation		88.00%
Discount rate		4.92%
Cash balance interest crediting rate		4.50%
Expected return on plan assets rate		7.50%
Frozen Equity Pension Plan | Salaried Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Cash balance interest crediting rate		4.25%
Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Ultimate per capita cost of healthcare assumed (percent)	7.05%				4.53%
Forecast | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets rate	7.50%
Forecast | Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets rate	7.46%
Forecast | Pension | Salaried Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets rate	7.50%
AR | Salaried Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value of plan assets		$ 749,000,000
Projected benefit obligation		974,000,000
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		550,000,000	$ 568,000,000
Real estate 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		$ 0	33,000,000
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