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PENSION AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 03, 2020 USD ($) | Dec. 30, 2022 | Dec. 31, 2021 USD ($) | Jan. 01, 2021 USD ($) | Jun. 28, 2019 USD ($) | Jun. 29, 2018 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2030 | Jan. 01, 2020
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 | $ 105,000,000 |  | $ 230,000,000 | $ 225,000,000 | $ 85,000,000 |  |  |  |
Fair value of plan assets | 8,892,000,000 |  | 9,924,000,000 | 9,600,000,000 |  |  |  |  |
Projected benefit obligation | 10,637,000,000 |  | $ 10,355,000,000 | 11,432,000,000 |  |  |  |  |
Combine gains and losses as percentage of expected year end obligations (less than) |  |  | 0.01 |  |  |  |  |  |
Accumulated benefit obligation for all defined benefit pension plans |  |  | $ 10,000,000,000 |  |  |  |  |  |
Gain on pension plan curtailment | 23,000,000 |  | 1,000,000 | 0 | $ 0 |  |  |  |
Pre-tax curtailment gain as result of employee terminations |  |  | $ 3,000,000 |  |  |  |  |  |
Ultimate per capita cost of healthcare assumed (percent) |  |  | 6.70% |  |  |  |  |  |
Employer contributions |  |  | $ 19,000,000 | 31,000,000 |  |  |  |  |
Required employer contributions in fiscal 2022 and beyond |  |  | 0 |  |  |  |  |  |
U.S. |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Fair value of plan assets |  |  | 8,200,000,000 |  |  |  |  |  |
Projected benefit obligation |  |  | 8,600,000,000 |  |  |  |  |  |
Pension |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Fair value of plan assets | 8,618,000,000 |  | 9,604,000,000 | 9,301,000,000 |  |  |  |  |
Projected benefit obligation | $ 10,268,000,000 |  | 10,007,000,000 | $ 11,045,000,000 |  |  |  |  |
Pre-tax loss on pension plan settlements |  |  | 4,000,000 |  |  |  |  |  |
Reduction in pension plan assets transferred to annuity |  |  | 250,000,000 |  |  |  |  |  |
Reduction in pension benefit obligations for plan assets transferred to annuity |  |  | $ 250,000,000 |  |  |  |  |  |
Discount rate |  |  | 2.75% | 2.31% |  |  |  |  |
Cash balance interest crediting rate |  |  | 3.50% | 3.50% |  |  |  |  |
Expected return on plan assets rate | 7.68% |  | 7.43% | 7.68% | 7.66% |  |  |  |
Employer contributions |  |  | $ 17,000,000 | $ 20,000,000 |  |  |  |  |
Pension | U.S. |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Percentage of total projected benefit obligation |  |  | 86.00% |  |  |  |  |  |
Discount rate |  |  | 2.75% |  |  |  |  |  |
Cash balance interest crediting rate |  |  | 3.50% |  |  |  |  |  |
Expected return on plan assets rate |  |  | 7.50% |  |  |  |  |  |
Employer contributions | $ 302,000,000 |  |  |  |  | $ 700,000,000 | $ 700,000,000 |  |
Pension | U.S. | L3 |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Cash balance benefit percentage |  |  |  |  |  |  |  |  | 1.00%
Gain on pension plan curtailment | 23,000,000 |  |  |  |  |  |  |  |
Pre-tax loss on pension plan settlements | $ 5,000,000 |  |  |  |  |  |  |  |
Frozen Equity Pension Plan | U.S. |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Cash balance interest crediting rate |  |  | 3.25% |  |  |  |  |  |
Forecast |  |  |  |  |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |
Ultimate per capita cost of healthcare assumed (percent) |  |  |  |  |  |  |  | 4.70% |
Forecast | U.S. |  |  |  |  |  |  |  |  |
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 |  | 7.43% |  |  |  |  |  |  |
Forecast | Pension | U.S. |  |  |  |  |  |  |  |  |
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 |  |  | $ 504,000,000 | 518,000,000 |  |  |  |  |
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 |  |  | $ 100,000,000 | 0 |  |  |  |  |
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 |  |  |  |  |  |

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