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Fair Value Measurements - Summary of Activity Related to Equity Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2021	Jan. 03, 2021
Equity Investment [Roll Forward]
Non Current Other Assets	$ 6,538	$ 6,562
Equity Securities | Equity Investments with readily determinable value
Equity Investment [Roll Forward]
Carrying value, beginning of period	1,481
Changes in Fair Value Reflected in Net Income	(36)
Sales/ Purchases/Other	7
Carrying value, end of period	1,452
Non Current Other Assets	1,452
Equity Securities | Equity Investments without readily determinable value
Equity Investment [Roll Forward]
Carrying value, beginning of period	738
Changes in Fair Value Reflected in Net Income	(55)
Sales/ Purchases/Other	81
Carrying value, end of period	764
Non Current Other Assets	$ 764

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Amount of investment in marketable security, classified as noncurrent.

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