Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-Clause 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph l

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 34

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Write-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period.

+ References+ Details

Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended				9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Jun. 29, 2012	Sep. 30, 2011	Jun. 29, 2012 Gross Goodwill	Sep. 30, 2011 Gross Goodwill	Sep. 30, 2011 Impairments	Jun. 29, 2012 Impairments	Jun. 29, 2012 Commercial Fire and Security	Sep. 30, 2011 Commercial Fire and Security	Jun. 29, 2012 Commercial Fire and Security Gross Goodwill	Sep. 30, 2011 Commercial Fire and Security Gross Goodwill	Jun. 29, 2012 Commercial Fire and Security Impairments	Sep. 30, 2011 Commercial Fire and Security Impairments	Sep. 24, 2010 Commercial Fire and Security Impairments	Jun. 29, 2012 ADT North American Residential	Sep. 30, 2011 ADT North American Residential	Jun. 29, 2012 ADT North American Residential Gross Goodwill	Sep. 30, 2011 ADT North American Residential Gross Goodwill	Jun. 29, 2012 Flow Control	Sep. 30, 2011 Flow Control	Jun. 29, 2012 Flow Control Gross Goodwill	Sep. 30, 2011 Flow Control Gross Goodwill	Sep. 30, 2011 Electrical and Metal Products Segment Gross Goodwill	Sep. 30, 2011 Electrical and Metal Products Segment Impairments
Changes in the carrying amount of goodwill, by segment ($ in millions):
Goodwill balance at beginning of period	$ 9,999	$ 9,577	$ 11,760	$ 12,273	$ (2,696)	$ (1,761)	$ 4,236	$ 4,080	$ 5,997	$ 5,841	$ (1,761)	$ (1,761)	$ (1,761)	$ 3,593	$ 3,591	$ 3,593	$ 3,591	$ 2,170	$ 1,906	$ 2,170	$ 1,906	$ 935	$ (935)
Acquisitions/Purchase Accounting Adjustments	99	431	99	431			100	176	100	176					2		2	(1)	253	(1)	253
Divestitures	(1)	(21)	(1)	(956)	935			(5)		(5)								(1)	(16)	(1)	(16)	(935)	935
Currency Translation	(68)	12	(68)	12			(23)	(15)	(23)	(15)				1		1		(46)	27	(46)	27
Goodwill balance at end of period	$ 10,029	$ 9,999	$ 11,790	$ 11,760	$ (1,761)	$ (1,761)	$ 4,313	$ 4,236	$ 6,074	$ 5,997	$ (1,761)	$ (1,761)	$ (1,761)	$ 3,594	$ 3,593	$ 3,594	$ 3,593	$ 2,122	$ 2,170	$ 2,122	$ 2,170