Computation of Basic and Diluted Earnings Per Common Share (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Sep. 24, 2011	Jun. 25, 2011	Mar. 26, 2011	Dec. 25, 2010	Sep. 25, 2010	Jun. 26, 2010	Mar. 27, 2010	Dec. 26, 2009	Sep. 24, 2011	Sep. 25, 2010	Sep. 26, 2009
Numerator:
Net income	$ 6,623	$ 7,308	$ 5,987	$ 6,004	$ 4,308	$ 3,253	$ 3,074	$ 3,378	$ 25,922	$ 14,013	$ 8,235
Denominator:
Weighted-average shares outstanding									924,258	909,461	893,016
Effect of dilutive securities									12,387	15,251	13,989
Weighted-average diluted shares									936,645	924,712	907,005
Basic earnings per common share	$ 7.13	$ 7.89	$ 6.49	$ 6.53	$ 4.71	$ 3.57	$ 3.39	$ 3.74	$ 28.05	$ 15.41	$ 9.22
Diluted earnings per common share	$ 7.05	$ 7.79	$ 6.40	$ 6.43	$ 4.64	$ 3.51	$ 3.33	$ 3.67	$ 27.68	$ 15.15	$ 9.08

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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-Topic 260

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-URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256

+ Details

- Definition

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

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Appendix A

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-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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-Number 87-21

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Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 19

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

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

+ References

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

-Publisher FASB

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-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421

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