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Pensions and Other Benefit Plans - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 02, 2022 | Jan. 03, 2021 | Dec. 29, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |
Amendments | $ (1,800) |  |
Percentage of corridor of greater of market value of assets | 10.00% |  |
Accumulated benefit obligation unfunded plans | $ 3,900 | $ 8,800 |
Projected benefit obligation, unfunded plans | 4,200 | 9,800 |
Plan with accumulated benefit obligation in excess of plan assets, plan assets | 300 | 4,400 |
Fair value of company's common stock directly held in plan assets | $ 385 | $ 946 |
Percentage of company's common stock to plan asset | 0.90% | 2.50% |
Retirement Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Amendments | $ 5 | $ (1,780) |
Plan Assets | 41,930 | 38,195 | $ 32,201
Other Benefit Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Amendments | 0 | 0 |
Plan Assets | 102 | 90 | $ 115
U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Contribution to pension plans | 102 |  |
International Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Contribution to pension plans | 867 |  |
Commingled funds | Level 2 | Other Benefit Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan Assets | $ 102 | $ 90 |
Maximum | Retirement Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Retirement plan benefits Employee compensation Period | 5 years |  |

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