Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 27, 2014	Feb. 28, 2013	Feb. 27, 2014	Feb. 28, 2013
Earnings Per Share Reconciliation [Abstract]
Net income (loss) available to Micron shareholders - Basic and Diluted	$ 731	$ (286)	$ 1,089	$ (561)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	1,060	1,016	1,053	1,015
Net effect of dilutive equity awards and convertible notes (in shares)	141	0	146	0
Weighted-average common shares outstanding - Diluted (in shares)	1,201	1,016	1,199	1,015
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.69	$ (0.28)	$ 1.03	$ (0.55)
Diluted (in dollars per share)	$ 0.61	$ (0.28)	$ 0.91	$ (0.55)