Acquisitions Goodwill allocation (Details) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jun. 28, 2014 Consumer Healthcare [Member]	Jun. 29, 2013 Consumer Healthcare [Member]	Jun. 30, 2012 Consumer Healthcare [Member]	Jun. 28, 2014 Rx Pharmaceuticals [Member]	Jun. 29, 2013 Rx Pharmaceuticals [Member]	Jun. 30, 2012 Rx Pharmaceuticals [Member]	Jun. 28, 2014 Nutritionals [Member]	Jun. 29, 2013 Nutritionals [Member]	Jun. 30, 2012 Nutritionals [Member]	Jun. 28, 2014 Specialty Sciences [Member]	Jun. 29, 2013 Specialty Sciences [Member]	Jun. 30, 2012 Specialty Sciences [Member]	Jun. 28, 2014 Elan Corporation [Member]	Dec. 18, 2013 Elan Corporation [Member]	Jun. 28, 2014 Elan Corporation [Member] Consumer Healthcare [Member]	Jun. 28, 2014 Elan Corporation [Member] Rx Pharmaceuticals [Member]	Jun. 28, 2014 Elan Corporation [Member] Nutritionals [Member]	Jun. 28, 2014 Elan Corporation [Member] Specialty Sciences [Member]
Business Combination Segment Allocation [Line Items]
Goodwill	$ 3,474.1	$ 1,089.2	$ 777.8	$ 1,406.3	$ 279.9	$ 138.9	$ 1,258.3	$ 385.4	$ 220.8	$ 510.1	$ 331.7	$ 331.7	$ 201.8	$ 0	$ 0	$ 2,346.0	$ 2,346.0	$ 1,116.1	$ 849.8	$ 178.4	$ 201.7