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Fair Value Measurements - Summary of Activity Related to Equity Investments (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 02, 2022 | Jan. 03, 2021 | Dec. 29, 2019
Equity Investment [Roll Forward] |  |  |
Other assets, noncurrent | $ 10,216 | $ 6,562 |
Equity securities | Equity Investments with readily determinable value |  |  |
Equity Investment [Roll Forward] |  |  |
Marketable securities, noncurrent | 1,884 | 1,481 | $ 1,148
Equity, fair value adjustment | 198 | 527 |
Equity investments, increase (decrease) from acquisition (sale) during period | 205 | (194) |
Other assets, noncurrent | 1,884 | 1,481 |
Equity securities | Equity Investments without readily determinable value |  |  |
Equity Investment [Roll Forward] |  |  |
Equity, fair value adjustment | 394 | (55) |
Equity investments, increase (decrease) from acquisition (sale) during period | (632) | 81 |
Other assets, noncurrent | 500 | 738 |
Equity securities without readily determinable fair value, amount | $ 500 | $ 738 | $ 712

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