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Fair Value Measurements and Investments Debt Instrument Fair Value (Details) - USD ($) $ in Millions | Dec. 29, 2017 | Jun. 30, 2017
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Long-term debt, including current portion |  | $ 12,051 | $ 13,151
Secured Notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 1,838 | 1,835
Long-term debt, fair value |  | 2,026 | 2,062
Unsecured Notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 3,252 | 3,244
Long-term debt, fair value |  | 3,892 | 3,956
Term Loan A |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 3,978 | 4,074
Long-term debt, fair value |  | 4,040 | 4,130
U.S. Term Loan B-2 |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 0 | 2,968
Long-term debt, fair value |  | 0 | 2,989
U.S Term Loan B-3 |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 2,952 | 0
Long-term debt, fair value |  | 2,966 | 0
Euro Term Loan B-2 |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount | [1] | 0 | 1,000
Long-term debt, fair value | [1] | 0 | 1,010
Convertible Debt 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Debt, long-term and short-term, combined amount |  | 31 | 30
Long-term debt, fair value |  | 33 | 34
Total |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, including current portion |  | 12,051 | 13,151
Long-term debt, fair value |  | $ 12,957 | $ 14,181
[1] | Euro Term Loan B-2 outstanding principal amount as of June 30, 2017 was based upon the Euro to U.S. dollar exchange rate as of that respective date.

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- Definition Represents the aggregate of total long-term debt, including current maturities and short-term debt. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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