Equity - Changes in Components of Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 27, 2014	Feb. 28, 2013	Feb. 27, 2014	Feb. 28, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			$ 10,006	$ 8,417
Net income (loss)	741	(284)	1,122	(559)
Other comprehensive income (loss)	(9)	(4)	(4)	(1)
Comprehensive income (loss)	732	(288)	1,118	(560)
Contributions from noncontrolling interests			49	10
Distributions to noncontrolling interests			(19)	0
Acquisition of noncontrolling interest in MMT			(136)	0
Capital and other transactions attributable to Micron			(974)	93
Ending Balance	10,044	7,960	10,044	7,960
Attributable to Micron [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			9,142	7,700
Net income (loss)			1,089	(561)
Other comprehensive income (loss)			(4)	(1)
Comprehensive income (loss)			1,085	(562)
Contributions from noncontrolling interests			0	0
Distributions to noncontrolling interests			0	0
Acquisition of noncontrolling interest in MMT			31	0
Capital and other transactions attributable to Micron			(974)	93
Ending Balance	9,284	7,231	9,284	7,231
Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance			864	717
Net income (loss)			33	2
Other comprehensive income (loss)			0	0
Comprehensive income (loss)			33	2
Contributions from noncontrolling interests			49	10
Distributions to noncontrolling interests			(19)	0
Acquisition of noncontrolling interest in MMT			(167)	0
Capital and other transactions attributable to Micron			0	0
Ending Balance	$ 760	$ 729	$ 760	$ 729