Deferred Revenue (Remaining Performance Obligations) (Details) $ in Billions	Dec. 28, 2018 USD ($)
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 1.1
Revenue Recognition Over Remaining Obligations Over Next 12 Months [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Revenue, Remaining Performance Obligation, Percentage	72.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months
Revenue Recognition Over Remaining Obligations Over Next 24 Months [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Revenue, Remaining Performance Obligation, Percentage	17.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	24 months

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

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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