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Pensions and Other Benefit Plans - Information Related to the Benefit Obligation and the Fair Value of Plan Assets (Details) - USD ($) $ in Millions | Jan. 01, 2023 | Jan. 02, 2022
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Qualified Plans | U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | $ 20,937 | $ 27,944
Projected Benefit Obligation | 18,394 | 25,041
Accumulated Benefit Obligation | 17,696 | 23,985
Projected Benefit Obligation | 2,543 | 2,903
Accumulated Benefit Obligation | 3,241 | 3,959
Non-Qualified Plans | U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 0 | 0
Projected Benefit Obligation | 1,937 | 2,703
Accumulated Benefit Obligation | 1,872 | 2,479
Projected Benefit Obligation | (1,937) | (2,703)
Accumulated Benefit Obligation | (1,872) | (2,479)
Funded Plans | International Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 10,577 | 13,986
Projected Benefit Obligation | 9,024 | 13,428
Accumulated Benefit Obligation | 8,202 | 12,212
Projected Benefit Obligation | 1,553 | 558
Accumulated Benefit Obligation | 2,375 | 1,774
Unfunded Plans | International Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 0 | 0
Projected Benefit Obligation | 276 | 410
Accumulated Benefit Obligation | 253 | 373
Projected Benefit Obligation | (276) | (410)
Accumulated Benefit Obligation | $ (253) | $ (373)

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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