Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 03, 2020	Nov. 28, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	$ 71
Other comprehensive income (loss)	39	$ (3)
Accumulated other comprehensive income (loss)	110
Gains (Losses) on Derivative Instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	45
Other comprehensive income before reclassifications	47
Amount reclassified out of accumulated other comprehensive income	(1)
Tax effects	(6)
Other comprehensive income (loss)	40
Accumulated other comprehensive income (loss)	85
Pension Liability Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	19
Other comprehensive income before reclassifications	0
Amount reclassified out of accumulated other comprehensive income	0
Tax effects	0
Other comprehensive income (loss)	0
Accumulated other comprehensive income (loss)	19
Unrealized Gains (Losses) on Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	8
Other comprehensive income before reclassifications	(2)
Amount reclassified out of accumulated other comprehensive income	0
Tax effects	1
Other comprehensive income (loss)	(1)
Accumulated other comprehensive income (loss)	7
Cumulative Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	(1)
Other comprehensive income before reclassifications	0
Amount reclassified out of accumulated other comprehensive income	0
Tax effects	0
Other comprehensive income (loss)	0
Accumulated other comprehensive income (loss)	(1)
Total Micron Shareholders' Equity
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated other comprehensive income (loss)	71
Other comprehensive income before reclassifications	45
Amount reclassified out of accumulated other comprehensive income	(1)
Tax effects	(5)
Other comprehensive income (loss)	39	$ (3)
Accumulated other comprehensive income (loss)	$ 110