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Debt Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 02, 2021 | Dec. 28, 2019
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 3,000 |
Multiemployer Plans, Withdrawal Obligation | 130 | $ 156
Line of Credit Facility, Remaining Borrowing Capacity | 2,900 |
Principal repayments on long-term debt in 2021 | 627 |
Principal repayments on long-term debt in 2022 | 755 |
Principal repayments on long-term debt in 2023 | 782 |
Principal repayments on long-term debt in 2024 | 750 |
Principal repayments on long-term debt in 2025 | 739 |
Principal repayments on long-term debt in 2026 and beyond | 3,733 |
Five Year Credit Agreement |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 1,500 |
Three Hundred Sixty Four Day Revolving Credit Agreement [Member] |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 1,000 |
Expired Three Hundred Sixty Four Day Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 1,000 |
Letter of Credit [Member] | Five Year Credit Agreement |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 75 |
Euro Commercial Paper [Member] |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 750 |
Debt Instrument, Term | 364 days |
Line of Credit Facility, Maximum Month-end Outstanding Amount | $ 0 |
European Swingline Loans [Member] | Five Year Credit Agreement |  |
Debt Instrument [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 300 |

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