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Acquisitions, Goodwill and Intangible Assets - Summary of Amount Assigned to Identifiable Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 02, 2022 | Aug. 18, 2021
Developed technology |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Useful life (in years) | 18 years |
Trade name |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Useful life (in years) | 9 years |
GRAIL Inc |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | $ 3,120 | $ 3,180
GRAIL Inc | In-process research and development (IPR&D) |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite lived intangible assets acquired | 670 |
GRAIL Inc | Developed technology |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets acquired | 2,410 |
GRAIL Inc | Trade name |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets acquired | $ 40 |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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