Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Nov. 28, 2013	Nov. 29, 2012
Earnings Per Share Reconciliation [Abstract]
Net income (loss) available to Micron shareholders - Basic and Diluted	$ 358	$ (275)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - Basic (in shares)	1,046	1,014
Net effect of dilutive equity awards, escrow shares and assumed conversion of debt (in shares)	150	0
Weighted-average common shares outstanding - Diluted (in shares)	1,196	1,014
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.34	$ (0.27)
Diluted (in dollars per share)	$ 0.30	$ (0.27)