Financial Instruments (Cash, Cash Equivalents, and Marketable Securities Fair Value Measurements) (Details) - USD ($) $ in Millions |
Jun. 27, 2020 |
Dec. 28, 2019 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Marketable Securities | $ 0 | $ 37 |
| Commercial paper | Level 2 | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total Fair Value Asset (Liability) | $ 37 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Fair value of asset after deduction of liability. No definition available.
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- Definition Amount of investment in marketable security, classified as current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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