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Fair Value Measurements - Summary of Activity Related to Equity Investments (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Equity Investment [Roll Forward] |  |  |
Other Assets, Noncurrent | $ 5,695 | $ 4,182 |
Equity securities | Equity Investments with Readily Determinable Value |  |  |
Other Investment Not Readily Marketable [Line Items] |  |  |
Marketable Securities, Noncurrent | 1,148 | 511 | $ 751
Equity Investment [Roll Forward] |  |  |
Equity, Fair Value Adjustment | 533 | (247) |
Equity Investments, Increase (Decrease) from Acquisition (Sale) During Period | 104 | 7 |
Other Assets, Noncurrent | 1,148 | 511 |
Equity securities | Equity Investments without Readily Determinable Value |  |  |
Equity Investment [Roll Forward] |  |  |
Equity, Fair Value Adjustment | (38) | 13 |
Equity Investments, Increase (Decrease) from Acquisition (Sale) During Period | 69 | 158 |
Other Assets, Noncurrent | 712 | 681 |
Equity Securities without Readily Determinable Fair Value, Amount | $ 712 | $ 681 | $ 510

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