Micron Shareholders' Equity and Noncontrolling Interests in Subsidiaries Micron Shareholders' Equity and Noncontrolling Interests in Subsidiaries - Changes in Components of Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 28, 2013	Nov. 29, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	$ 10,006	$ 8,417
Net income (loss)	381	(275)
Other comprehensive income (loss)	5	3
Comprehensive income (loss)	386	(272)
Contributions from noncontrolling interests	49	0
Distributions to noncontrolling interests	(9)	0
Capital and other transactions attributable to Micron	(286)	41
Balance	10,146	8,186
Attributable to Micron [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	9,142	7,700
Net income (loss)	358	(275)
Other comprehensive income (loss)	5	3
Comprehensive income (loss)	363	(272)
Contributions from noncontrolling interests	0	0
Distributions to noncontrolling interests	0	0
Capital and other transactions attributable to Micron	(286)	41
Balance	9,219	7,469
Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	864	717
Net income (loss)	23	0
Other comprehensive income (loss)	0	0
Comprehensive income (loss)	23	0
Contributions from noncontrolling interests	49	0
Distributions to noncontrolling interests	(9)	0
Capital and other transactions attributable to Micron	0	0
Balance	$ 927	$ 717