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Pension Benefits Components of Pension Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension (income) expense | $ 31 | $ 117 | $ 165
Global plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
401(k) expense | 42 | 39 | 38
Global plans | Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Service Cost | 37 | 36 |
Interest Cost | 130 | 172 |
Net periodic benefit cost | 26 | 110 | 168
Curtailment and special termination benefits | (15) | (13) | (30)
Pension (income) expense | 11 | 97 | 138
Global plans | COGS and SGA | Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Service Cost | 37 | 36 | 87
Global plans | OIE | Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Interest Cost | 130 | 172 | 165
Expected Return on Plan Assets | (340) | (340) | (361)
Amortization of Unrecognized Prior Service Cost (Credit) | 7 | 7 | 8
Other | 8 | 0 | 0
Recognized net (gain) loss | 184 | 235 | 269
Foreign and U.S. multiemployer defined contribution plan | Pension |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension (income) expense | $ 20 | $ 20 | $ 27

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109237824&loc=SL108413299-114919 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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