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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. 02, 2022 | Jan. 03, 2021
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Qualified Plans | U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | $ 27,944 | $ 25,554
Projected Benefit Obligation | 25,041 | 25,466
Accumulated Benefit Obligation | 23,985 | 24,158
Projected Benefit Obligation | 2,903 | 88
Accumulated Benefit Obligation | 3,959 | 1,396
Non-Qualified Plans | U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 0 | 0
Projected Benefit Obligation | 2,703 | 2,748
Accumulated Benefit Obligation | 2,479 | 2,495
Projected Benefit Obligation | (2,703) | (2,748)
Accumulated Benefit Obligation | (2,479) | (2,495)
Funded Plans | International Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 13,986 | 12,641
Projected Benefit Obligation | 13,428 | 14,541
Accumulated Benefit Obligation | 12,212 | 13,210
Projected Benefit Obligation | 558 | (1,900)
Accumulated Benefit Obligation | 1,774 | (569)
Unfunded Plans | International Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan Assets | 0 | 0
Projected Benefit Obligation | 410 | 545
Accumulated Benefit Obligation | 373 | 493
Projected Benefit Obligation | (410) | (545)
Accumulated Benefit Obligation | $ (373) | $ (493)

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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 http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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