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Investments and Fair Value Measurements - Marketable Equity Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Marketable Securities, Gain (Loss) [Abstract]
Net (losses) gains recognized during the period on marketable equity securities	$ (52)	$ 270	$ 53
Less: Net losses recognized during the period on marketable equity securities sold during the period	89	0	0
Net unrealized gains recognized during the period on marketable equity securities still held at the reporting date	$ 37	$ 270	$ 53

X

- Definition

Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

+ References

No definition available.

+ Details

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- References

No definition available.

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X

- Definition

Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

+ References

No definition available.

+ Details

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X

- Definition

Amount of unrealized gain (loss) on investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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