Fair Value Measurements - Summary of Activity Related to Equity Investments (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Equity Investment [Roll Forward]
Other assets, noncurrent	$ 6,562	$ 5,695
Equity securities \| Equity Investments with Readily Determinable Value
Equity Investment [Roll Forward]
Marketable securities, noncurrent	1,481	1,148	$ 511
Equity, fair value adjustment	527	533
Equity investments, increase (decrease) from acquisition (sale) during period	(194)	104
Other assets, noncurrent	1,481	1,148
Equity securities \| Equity Investments without Readily Determinable Value
Equity Investment [Roll Forward]
Equity, fair value adjustment	(55)	(38)
Equity investments, increase (decrease) from acquisition (sale) during period	81	69
Other assets, noncurrent	738	712
Equity securities without readily determinable fair value, amount	$ 738	$ 712	$ 681

Equity Investment [Roll Forward]

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Equity Investments, Increase (Decrease) from Acquisition (Sale) During Period

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Amount of addition (reduction) to the amount at which an instrument classified in shareholders' equity could be incurred (settled) in a current transaction between willing parties.

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Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=116654751&loc=SL75117539-209714

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Amount of investment in marketable security, classified as noncurrent.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
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Amount of noncurrent assets classified as other.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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