Micron Shareholders' Equity and Noncontrolling Interests in Subsidiaries Changes in Components of Equity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	May 30, 2013	May 31, 2012	May 30, 2013	May 31, 2012
Beginning balance			$ 8,417	$ 9,852
Net income (loss)	43	(320)	(516)	(789)
Other comprehensive income (loss)	(9)	7	(10)	(57)
Total comprehensive income (loss)	34	(313)	(526)	(846)
Acquisition of noncontrolling interests			0	(466)
Contribution from noncontrolling interests			11	151
Distributions to noncontrolling interests			(33)	(387)
Capital and other transactions attributable to Micron			157	182
Ending balance	8,026	8,486	8,026	8,486
Attributable to Micron [Member]
Beginning balance			7,700	8,470
Net income (loss)			(518)	(789)
Other comprehensive income (loss)			(11)	(52)
Total comprehensive income (loss)			(529)	(841)
Acquisition of noncontrolling interests			0	0
Contribution from noncontrolling interests			0	0
Distributions to noncontrolling interests			0	0
Capital and other transactions attributable to Micron			157	182
Ending balance	7,328	7,811	7,328	7,811
Noncontrolling Interest [Member]
Beginning balance			717	1,382
Net income (loss)			2	0
Other comprehensive income (loss)			1	(5)
Total comprehensive income (loss)			3	(5)
Acquisition of noncontrolling interests			0	(466)
Contribution from noncontrolling interests			11	151
Distributions to noncontrolling interests			(33)	(387)
Capital and other transactions attributable to Micron			0	0
Ending balance	$ 698	$ 675	$ 698	$ 675