Changes from net income attributable to Parent and transfers from (to) noncontrolling interests

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- Definition

Schedule Of Effects OF Changes In Ownership Interest In Shareholders Equity [Line Items]

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- Definition

Transfers from noncontrolling interest increasing additional capital [Abstract]

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- Definition

Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.

+ References

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph d

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A7

-Appendix A

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- Definition

Decrease in noncontrolling interest as a result of redeeming or purchasing the interests of noncontrolling shareholders.

+ References

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph c(2)

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 19

-Article 5

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph d

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph A7

-Appendix A

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

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 38

-Subparagraph a

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 20

-Article 9

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 10, 15

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

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 87-21

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28, 29, 30

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TECH Semiconductor Singapore Pte. Ltd. - Additional Details (Details) (USD $) In Millions	3 Months Ended								12 Months Ended			2 Months Ended	12 Months Ended
	Sep. 01, 2011	Jun. 02, 2011	Mar. 03, 2011	Dec. 02, 2010	Sep. 02, 2010	Jun. 03, 2010	Mar. 04, 2010	Dec. 03, 2009	Sep. 01, 2011	Sep. 02, 2010	Sep. 03, 2009	Jan. 31, 2011 Attributable to Micron [Member]	Sep. 01, 2011 Attributable to Micron [Member]	Sep. 02, 2010 Attributable to Micron [Member]	Sep. 03, 2009 Attributable to Micron [Member]
Effects of changes in ownership interests in TECH on Micron shareholders' equity [Line Items]
Net income (loss) attributable to Micron	$ (135)	$ 75	$ 72	$ 155	$ 342	$ 939	$ 365	$ 204	$ 167	$ 1,850	$ (1,882)		$ 167	$ 1,850
Transfers from noncontrolling interest that increased additional capital:
Acquisition of noncontrolling interests in TECH									(159)			67	67
Acquisition of noncontrolling interests in TECH										0	87			(10)	0
Change from net income attributable to Micron and transfers from noncontrolling interests													$ 234	$ 1,860