Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 01, 2012	Mar. 03, 2011	Mar. 01, 2012	Mar. 03, 2011	Sep. 01, 2011
Net income (loss)	$ (282)	$ 75	$ (469)	$ 247
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on investments	(32)	4	(30)	7
Net gain (loss) on derivatives	(4)	22	(15)	28
Net gain (loss) on foreign currency translation adjustment	2	41	(19)	59
Pension liability adjustment	0	0	0	1
Total other comprehensive income (loss)	(34)	67	(64)	95
Comprehensive income (loss)	(316)	142	(533)	342
Comprehensive loss (income) attributable to noncontrolling interests	1	(4)	0	(25)
Comprehensive income (loss) attributable to Micron	(315)	138	(533)	317
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	68		68		132
Parent [Member]
Net income (loss)			(469)	227
Other comprehensive income (loss), net of tax:
Total other comprehensive income (loss)			(64)	90
Comprehensive income (loss)			(533)	317
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated translation adjustment, net	46		46		65
Gain (loss) on derivatives, net	28		28		43
Gain (loss) on investments, net	(5)		(5)		25
Unrecognized pension liability	(1)		(1)		(1)
Accumulated other comprehensive income	$ 68		$ 68		$ 132