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Fair Value Measurements - Summary of Derivative Activity (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 02, 2022 | Jan. 03, 2021 | Dec. 29, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | $ 789 | $ 53 | $ (7)
Amount of gain or (loss) recognized in AOCI | (199) | 1,000 | $ (107)
Sales | Interest Rate Swap | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Sales | Cross currency interest rate swaps contracts: | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Sales | Cross currency interest rate swaps contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Sales | Forward foreign exchange contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 17 | 12 |
Amount of gain or (loss) recognized in AOCI | (94) | 44 |
Cost of Products Sold | Interest Rate Swap | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Cost of Products Sold | Cross currency interest rate swaps contracts: | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Cost of Products Sold | Cross currency interest rate swaps contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Cost of Products Sold | Forward foreign exchange contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 119 | (329) |
Amount of gain or (loss) recognized in AOCI | (557) | 298 |
R&D Expense | Interest Rate Swap | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
R&D Expense | Cross currency interest rate swaps contracts: | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
R&D Expense | Cross currency interest rate swaps contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
R&D Expense | Forward foreign exchange contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 30 | (137) |
Amount of gain or (loss) recognized in AOCI | 123 | (91) |
Interest (Income) Expense | Interest Rate Swap | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | (109) | 0 |
Amount of gain or (loss) recognized in AOCI | 109 | 0 |
Interest (Income) Expense | Cross currency interest rate swaps contracts: | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 174 | 153 |
Amount of gain or (loss) recognized in AOCI | 174 | 153 |
Interest (Income) Expense | Cross currency interest rate swaps contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 402 | 370 |
Amount of gain or (loss) recognized in AOCI | 9 | 748 |
Interest (Income) Expense | Forward foreign exchange contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Other (Income) Expense | Interest Rate Swap | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Other (Income) Expense | Cross currency interest rate swaps contracts: | Fair Value Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) recognized in income on derivative amount excluded from effectiveness testing | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Other (Income) Expense | Cross currency interest rate swaps contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 0 | 0 |
Amount of gain or (loss) recognized in AOCI | 0 | 0 |
Other (Income) Expense | Forward foreign exchange contracts: | Cash Flow Hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amount of gain or (loss) reclassified from AOCI into income | 47 | (16) |
Amount of gain or (loss) recognized in AOCI | $ 146 | $ (52) |

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