Earnings Per Share (Details) (USD $) In Millions, except Per Share data	3 Months Ended	9 Months Ended
Jun. 24, 2011	Jun. 25, 2010	Jun. 24, 2011	Jun. 25, 2010
Income
Income from continuing operations	$ 364	$ 250	$ 1,173	$ 852
Income from continuing operations attributable to Tyco common shareholders, giving effect to dilutive adjustments	$ 364	$ 250	$ 1,173	$ 852
Shares
Income from continuing operations (in shares)	468	492	476	481
Share options and restricted share awards (in shares)	7	4	5	3
Income from continuing operations attributable to Tyco common shareholders, giving effect to dilutive adjustments (in shares)	475	496	481	484
Per Share Amount
Income from continuing operations (in dollars per share)	$ 0.78	$ 0.51	$ 2.46	$ 1.77
Income from continuing operations attributable to Tyco common shareholders, giving effect to dilutive adjustments (in dollars per share)	$ 0.76	$ 0.50	$ 2.44	$ 1.76
Stock Options
Earnings Per Share
Stock options and restricted stock excluded from the computation of earnings per share (in shares)	6	14	10	16
Restricted Stock
Earnings Per Share
Stock options and restricted stock excluded from the computation of earnings per share (in shares)		2	1	2

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- Definition

This element represents the income or loss from continuing operations attributable to the reporting entity plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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This element represents the income or loss from continuing operations attributable to the reporting entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items and cumulative effects of changes in accounting principles, but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests, if any.

+ References

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-Publisher AICPA
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The amount of income (loss) from continuing operations per each share of common stock outstanding during the reporting period.

+ References

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The amount of income (loss) from continuing operations available to each share of common stock outstanding during the reporting period and each share that would have been outstanding assuming the issuance of common shares for all dilutive potential common shares outstanding during the reporting period.

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The sum of dilutive potential common shares used in the calculation of the diluted per-share computation.

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The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period.

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Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period.

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