Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009	Sep. 27, 2008	Sep. 29, 2007
Income Taxes [Line Items]
Noncontrolling interest net operating losses	$ 554	$ 375
Undistributed earnings of foreign subsidiaries for which deferred taxes have not been provided	340
Accrued interest and penalties related to unrecognized tax benefits	175	163
Additional accrued interest related to unrecognized tax benefits	17	28	27
Reductions in accrued interest as a result of audit settlements and other prior-year adjustments	13	7	12
Potential incremental U.S. tax applicable to earnings assuming repatriation of permanently reinvested earnings	30
Deduction for qualifying domestic production activities, percent of qualifying net income	9.00%	6.00%	6.00%	6.00%	3.00%
Tax provision benefits resulting from deduction for qualifying domestic production activities	183	111	100
Gross unrecognized tax benefits that would reduce income tax expense and effective tax rate, if recognized	480	473
Unrecognized tax benefits, reasonably possible reduction due to payments for or resolution of open tax matters	93
Income tax benefits attributable to equity-based compensation transactions (less than) exceeded amounts recorded based on grant date fair value (charged) credited to shareholders' equity	$ 109	$ 61	$ (26)
Domestic production activity deduction	(2.30%)	(1.70%)	(1.80%)
Fiscal Year 2012 and Thereafter
Income Taxes [Line Items]
Domestic production activity deduction	9.00%

Deduction percentage for Qualifying Domestic Production Activities.

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Income Taxes [Line Items]

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The potential incremental U.S. tax applicable to earnings assuming repatriation of permanently reinvested earnings.

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Undistributed earnings of foreign subsidiaries

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Unrecognized tax benefits, decreases in accrued interest resulting from settlements.

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Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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The tax effect as of the balance sheet date of the amount of excess of tax deductions over gross income in a year which cannot be used on the tax return of a country outside the country of domicile in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the deduction for qualified production activities received under enacted tax laws.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the deduction for qualified production activities received under enacted tax laws.

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The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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This element represents interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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