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Components of Convertible Notes (Parenthetical) (Detail) - USD ($) | Sep. 27, 2015 | Jun. 28, 2015
--- | --- | ---
0.50% Notes due 2016 |  |
Debt Instrument [Line Items] |  |
Principal amount of convertible debt conversion increments | $ 1,000 | $ 1,000
Stock price per share | $ 73.74 |
1.25% Notes due 2018 |  |
Debt Instrument [Line Items] |  |
Principal amount of convertible debt conversion increments | $ 1,000 | 1,000
Stock price per share | $ 73.74 |
2.625% Notes due 2041 |  |
Debt Instrument [Line Items] |  |
Principal amount of convertible debt conversion increments | $ 1,000 | $ 1,000
Stock price per share | $ 73.74 |

X
- Definition Note Increment For Which Conversion Amount Of Common Stock Is Based + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Details
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- Details
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- Details
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