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Fair Value Measurements and Investments Debt Instrument Fair Value (Details) - USD ($) $ in Millions	Sep. 28, 2018	Jun. 29, 2018
0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	0.50%
1.50% convertible notes due 2024
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	1.50%
4.750% senior unsecured notes due 2026
Debt Instrument [Line Items]
Debt instrument, interest rate (percentage)	4.75%
Carrying Value
Debt Instrument [Line Items]
Long-term debt	$ 10,643	$ 10,672
Carrying Value | 0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Long-term debt	31	31
Carrying Value | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Long-term debt	4,951	4,982
Carrying Value | Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Long-term debt	2,442	2,448
Carrying Value | 1.50% convertible notes due 2024
Debt Instrument [Line Items]
Long-term debt	938	931
Carrying Value | 4.750% senior unsecured notes due 2026
Debt Instrument [Line Items]
Long-term debt	2,281	2,280
Level 2 | Fair Value
Debt Instrument [Line Items]
Long-term debt	10,707	10,851
Level 2 | Fair Value | 0.50% convertible senior notes due 2020
Debt Instrument [Line Items]
Long-term debt	34	34
Level 2 | Fair Value | Variable interest rate Term Loan A-1 maturing 2023
Debt Instrument [Line Items]
Long-term debt	4,968	5,013
Level 2 | Fair Value | Variable interest rate U.S. Term Loan B-4 maturing 2023
Debt Instrument [Line Items]
Long-term debt	2,451	2,452
Level 2 | Fair Value | 1.50% convertible notes due 2024
Debt Instrument [Line Items]
Long-term debt	1,022	1,114
Level 2 | Fair Value | 4.750% senior unsecured notes due 2026
Debt Instrument [Line Items]
Long-term debt	$ 2,232	$ 2,238

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

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- Definition

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+ References

No definition available.

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