The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Name:	us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Event (Detail) - USD ($) $ in Millions		6 Months Ended
Subsequent Event (Detail) - USD ($) $ in Millions	Apr. 04, 2016	Mar. 25, 2016	Mar. 27, 2015
Subsequent Event.
Aquisition of businesses, net of cash acquired		$ 6	$ 1,729
Subsequent event \| Creganna Medical Group
Subsequent Event.
Aquisition of businesses, net of cash acquired	$ 900