Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 30, 2018	Aug. 31, 2017	Sep. 01, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	$ 29
Other comprehensive income (loss)	(19)	$ 64	$ (48)
Accumulated other comprehensive income	10	29
Cumulative Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	(1)
Other comprehensive income before reclassifications	1
Amount reclassified out of accumulated other comprehensive income	0
Tax effects	0
Other comprehensive income (loss)	1
Accumulated other comprehensive income	0	(1)
Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	17
Other comprehensive income before reclassifications	(17)
Amount reclassified out of accumulated other comprehensive income	(1)
Tax effects	3
Other comprehensive income (loss)	(15)
Accumulated other comprehensive income	2	17
Pension Liability Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	13
Other comprehensive income before reclassifications	(3)
Amount reclassified out of accumulated other comprehensive income	(1)
Tax effects	1
Other comprehensive income (loss)	(3)
Accumulated other comprehensive income	10	13
Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	0
Other comprehensive income before reclassifications	(3)
Amount reclassified out of accumulated other comprehensive income	0
Tax effects	1
Other comprehensive income (loss)	(2)
Accumulated other comprehensive income	(2)	0
Total Micron Shareholders' Equity
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income	29
Other comprehensive income before reclassifications	(22)
Amount reclassified out of accumulated other comprehensive income	(2)
Tax effects	5
Other comprehensive income (loss)	(19)	64	$ (48)
Accumulated other comprehensive income	$ 10	$ 29