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Fair Value Measurements - Financial Assets and Liabilities at Fair Value (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 01, 2023 | Jan. 02, 2022 | Jan. 03, 2021 | Dec. 22, 2022
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | $ 2,163 |  |  |
Derivatives designated as hedging instruments : Liabilities | 3,289 |  |  |
Equity Investments | 576 | $ 1,884 |  |
Debt securities | 10,487 | 19,727 |  |
Contingent consideration liability | 1,120 | 533 |  |
Total Gross Assets | 2,201 | 1,360 |  |
Credit Support Agreement (CSA) | $ (2,176) | $ (1,285) |  |
Derivative Asset, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag | Total Net Asset | Total Net Asset |  |
Total Net Asset | $ 25 | $ 75 |  |
Total Gross Liabilities | 3,357 | 1,888 |  |
Credit Support Agreement (CSA) | $ (3,023) | $ (1,855) |  |
Derivative Liability, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag | Total Net Liabilities | Total Net Liabilities |  |
Total Net Liabilities | $ 334 | $ 33 |  |
Beginning Balance | 533 | 633 | $ 1,715 |
Changes in estimated fair value | (194) | (52) | (1,089) |
Additions (7) | 792 | 0 | 106 |
Payments | (11) | (48) | (99) |
Ending Balance | 1,120 | 533 | 633 |
Contingent consideration reversal | 0 | 0 | (1,148) |
Other Noncurrent Liabilities |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Contingent consideration liability | 1,116 | 520 | 594 |
Other Current Liabilities |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Contingent consideration liability | 4 | 13 | $ 39 |
Auris Health |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Contingent consideration reversal | (1,148) |  |  |
Abiomed |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Contingent consideration liability | 704 |  |  | $ 700
Level 1 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Equity Investments | 576 | 1,884 |  |
Debt securities | 0 |  |  |
Level 2 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 2,163 | 1,336 |  |
Derivatives designated as hedging instruments : Liabilities | 3,289 | 1,860 |  |
Equity Investments | 0 |  |  |
Debt securities | 10,487 |  |  |
Level 3 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Equity Investments | 0 |  |  |
Debt securities | 0 |  |  |
Contingent consideration liability | 1,120 | 533 |  |
Interest rate swaps contracts: |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 1,534 |  |  |
Derivatives designated as hedging instruments : Liabilities | 2,778 |  |  |
Interest rate swaps contracts: | Level 1 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Interest rate swaps contracts: | Level 2 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 1,534 | 796 |  |
Derivatives designated as hedging instruments : Liabilities | 2,778 | 979 |  |
Interest rate swaps contracts: | Level 3 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Foreign exchange contracts |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 629 |  |  |
Derivatives designated as hedging instruments : Liabilities | 511 |  |  |
Derivatives not designated as hedging instruments : Assets | 38 |  |  |
Derivatives not designated as hedging instruments : Liabilities | 68 |  |  |
Foreign exchange contracts | Level 1 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Derivatives not designated as hedging instruments : Assets | 0 |  |  |
Derivatives not designated as hedging instruments : Liabilities | 0 |  |  |
Foreign exchange contracts | Level 2 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 629 | 540 |  |
Derivatives designated as hedging instruments : Liabilities | 511 | 881 |  |
Derivatives not designated as hedging instruments : Assets | 38 | 24 |  |
Derivatives not designated as hedging instruments : Liabilities | 68 | $ 28 |  |
Foreign exchange contracts | Level 3 |  |  |  |
Financial assets and liabilities at fair value |  |  |  |
Derivatives designated as hedging instruments : Assets | 0 |  |  |
Derivatives designated as hedging instruments : Liabilities | 0 |  |  |
Derivatives not designated as hedging instruments : Assets | 0 |  |  |
Derivatives not designated as hedging instruments : Liabilities | $ 0 |  |  |

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