Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Sep. 30, 2011 Y transaction M business segment categories week	Sep. 24, 2010 Y week	Sep. 25, 2009 Y week
Basis of Presentation and Summary of Significant Accounting Policies
Number of new segments	2
Core businesses number	3
Product sales in retailer anti-theft systems, classified as service revenue			$ 286
Cost of services related to retailer anti-theft systems			176
Number of weeks in fiscal year (in weeks)	53	52	52
Percentage of ownership of above which consolidation is triggered	50.00%
Number of types of transactions for which revenue is recognized	4
Retainage provisions included in accounts receivable and other long-term receivables	62	62
Unbilled retainage provisions	44	45
Retainage provision expected to be collected during fiscal 2012	49
Research and development expenditures included in cost of product sales	147	131	116
Advertising costs included in selling, general and administrative expenses	$ 206	$ 164	$ 131
Maximum maturity period of liquid investments considered as cash equivalents (in months)	3
Claim experience bearing on estimates of pending claims (in years)	5
Pending claims estimates, time estimate for filings (in years)	7

The maximum maturity (in months) of items classified as cash equivalents on the balance sheet.

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- Definition

Amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party, which amounts are withheld by the contracting party pending the entity's compliance or performance in conformity with the terms of the contract. Such billed or unbilled receivables are generally expected to be collected upon complying with certain contractual terms or satisfaction and release by the contracting party.

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The current portion of amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party, which amounts are withheld by the contracting party pending the entity's compliance or performance in conformity with the terms of the contract. Such billed or unbilled receivables are generally expected to be collected upon complying with certain contractual terms or satisfaction and release by the contracting party.

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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party, which amounts are withheld by the contracting party pending the entity's compliance or performance in conformity with the terms of the contract. These receivables are generally expected to be collected upon billing and compliance with certain contractual terms or satisfaction and release by the contracting party.

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Balance Type:	debit
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- Definition

This element represents the entity's number of core businesses.

+ Details

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Period Type:	duration

- Definition

Disclosed the amount of cost of sales related to the sale of electronic tags and labels utilized in retailer anti-theft systems which was misclassified as cost of services.

+ Details

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Balance Type:	debit
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- Definition

The number of weeks in the entity's fiscal year.

+ Details

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- Definition

The time period prior to the balance sheet date for which claim experience is based, for purposes of determining the entity's estimate of the liability for pending and future claims, in years.

+ Details

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- Definition

The time period subsequent to the balance sheet date for which the entity's covers claims expected to be filed, for purposes of determining the entity's estimate of the liability for pending and future claims, in years.

+ Details

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- Definition

This element represents the new segment names after the realignment.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

This element represents the number of types of transactions, for which revenue is recognized.

+ Details

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- Definition

Disclosed the amount of revenue related to the sale of electronic tags and labels utilized in retailer anti-theft systems which was misclassified as service revenue.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

This element represents the percentage of voting shares owned by the entity above which consolidation is triggered.

+ Details

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Balance Type:	na
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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-7

-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.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph g

-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.

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-Name Statement of Financial Accounting Standard (FAS)

-Number 2

-Paragraph 12, 13

-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.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 86

-Paragraph 11, 12

-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

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