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Fair Value Measurements - Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions | Jul. 03, 2022 | Jan. 02, 2022
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Debt Securities, Available-for-sale [Abstract] |  |
Available-for-sale Securities - Estimated Fair Value | $ 21,123 | $ 19,727
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 10,983 | 14,487
Marketable securities | 21,585 | $ 17,121
Total cash, cash equivalents and current marketable securities, Carrying Amount | 32,614 |
Total cash, cash equivalents and current marketable securities, Unrecognized Loss | (55) |
Total cash, cash equivalents and current marketable securities, Estimated Fair Value | 32,559 |
Held-to-maturity Securities |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 11,445 |
Held-to-maturity Securities, Unrecognized Loss | (9) |
Held-to-maturity Securities - Estimated Fair Value | 11,436 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 8,704 |
Marketable securities | 2,741 |
Held-to-maturity Securities | Cash |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 3,337 |
Held-to-maturity Securities, Unrecognized Loss | 0 |
Held-to-maturity Securities - Estimated Fair Value | 3,337 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 3,337 |
Marketable securities | 0 |
Held-to-maturity Securities | Non-U.S. sovereign securities(1) |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 538 |
Held-to-maturity Securities, Unrecognized Loss | (1) |
Held-to-maturity Securities - Estimated Fair Value | 537 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 0 |
Marketable securities | 538 |
Held-to-maturity Securities | U.S. reverse repurchase agreements |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 2,112 |
Held-to-maturity Securities, Unrecognized Loss | 0 |
Held-to-maturity Securities - Estimated Fair Value | 2,112 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 2,112 |
Marketable securities | 0 |
Held-to-maturity Securities | Corporate debt securities(1) |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 2,443 |
Held-to-maturity Securities, Unrecognized Loss | (8) |
Held-to-maturity Securities - Estimated Fair Value | 2,435 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 240 |
Marketable securities | 2,203 |
Held-to-maturity Securities | Money market funds |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 1,968 |
Held-to-maturity Securities, Unrecognized Loss | 0 |
Held-to-maturity Securities - Estimated Fair Value | 1,968 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 1,968 |
Marketable securities | 0 |
Held-to-maturity Securities | Time deposits(1) |  |
Debt Securities, Held-to-maturity [Abstract] |  |
Held-to-maturity Securities - Carrying Amount | 1,047 |
Held-to-maturity Securities, Unrecognized Loss | 0 |
Held-to-maturity Securities - Estimated Fair Value | 1,047 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 1,047 |
Marketable securities | 0 |
Available-for-sale Securities |  |
Debt Securities, Available-for-sale [Abstract] |  |
Available-for-sale Securities - Carrying Amount | 21,169 |
Available-for-sale Securities, Unrecognized Loss | (46) |
Available-for-sale Securities - Estimated Fair Value | 21,123 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 2,279 |
Marketable securities | 18,844 |
Available-for-sale Securities | Non-U.S. sovereign securities(1) |  |
Debt Securities, Available-for-sale [Abstract] |  |
Available-for-sale Securities - Carrying Amount | 3 |
Available-for-sale Securities, Unrecognized Loss | 0 |
Available-for-sale Securities - Estimated Fair Value | 3 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 0 |
Marketable securities | 3 |
Available-for-sale Securities | Corporate debt securities(1) |  |
Debt Securities, Available-for-sale [Abstract] |  |
Available-for-sale Securities - Carrying Amount | 247 |
Available-for-sale Securities, Unrecognized Loss | (1) |
Available-for-sale Securities - Estimated Fair Value | 246 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 28 |
Marketable securities | 218 |
Available-for-sale Securities | U.S. Gov't securities |  |
Debt Securities, Available-for-sale [Abstract] |  |
Available-for-sale Securities - Carrying Amount | 20,919 |
Available-for-sale Securities, Unrecognized Loss | (45) |
Available-for-sale Securities - Estimated Fair Value | 20,874 |
Debt Securities, Available-for-sale and Held-to-maturity [Abstract] |  |
Cash and Cash Equivalents | 2,251 |
Marketable securities | $ 18,623 |

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