Cash, Cash Equivalents and Current Marketable Securities - Contractual Maturities of Available for Sale Securities (Details) $ in Millions	Jan. 03, 2021 USD ($)
Cost Basis
Due within one year	$ 14,026
Due after one year through five years	15
Due after five years through ten years	0
Total debt securities	14,041
Fair Value
Due within one year	14,027
Due after one year through five years	15
Due after five years through ten years	0
Total debt securities	$ 14,042

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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