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Investments and Fair Value Measurements - Marketable Equity Securities (Details) - USD ($) $ in Millions | 12 Months Ended
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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

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- 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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- 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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- 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 + Details
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