Income Taxes - Changes in Deferred Tax Valuation Allowance (Details) - Deferred Tax Valuation Allowance - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Valuation and Qualifying Accounts
Balance at Beginning of Period	$ 2,097.8	$ 2,174.3	$ 2,334.5
Additions Charged to Expenses or Other Accounts	31.8	44.7	227.5
Deductions Credited to Expenses or Other Accounts	(745.9)	(121.2)	(387.7)
Balance at End of Period	$ 1,383.7	$ 2,097.8	$ 2,174.3

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

+ Details

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

+ References

+ Details

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- Definition

Amount of decrease in valuation and qualifying accounts and reserves.

+ References

+ Details

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- Details

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