The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Acquisition, Collaborative Arrangements and Equity-Method Investment and Cost-Method Investment - Equity-Method Investments (Details) - ViiV Healthcare Limited [Member] - USD ($) $ in Millions	3 Months Ended
	Jun. 29, 2014	Apr. 01, 2014	Oct. 01, 2013
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		11.70%	12.60%
Other Nonoperating Income (Expense) [Member]
Schedule of Equity Method Investments [Line Items]
Gain (loss) on disposition of stock in subsidiary or equity method investee	$ (28)