Micron Shareholders' Equity and Noncontrolling Interests in Subsidiaries - Capped Call Transactions (Details) (Call Option [Member], Purchased options [Member], Convertible Debt [Member], USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Nov. 28, 2013
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, shares (in shares)	227
Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuers equity settlement proceeds	$ 0	[1]
Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuers equity settlement proceeds	954,000,000	[1]
2031A and 2031B convertible senior notes [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)	9.50	[2]
Option indexed to issuer's equity, shares (in shares)	73
2031A and 2031B convertible senior notes [Member] | Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 11.40
Option indexed to issuers equity settlement proceeds	0	[1]
2031A and 2031B convertible senior notes [Member] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 13.17
Option indexed to issuers equity settlement proceeds	207,000,000	[1]
2032C convertible senior notes [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)	9.80	[2]
Option indexed to issuer's equity, shares (in shares)	56
2032C convertible senior notes [Member] | Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.26
Option indexed to issuers equity settlement proceeds	0	[1]
2032C convertible senior notes [Member] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 15.69
Option indexed to issuers equity settlement proceeds	307,000,000	[1]
2032D convertible senior notes [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)	10.16	[2]
Option indexed to issuer's equity, shares (in shares)	44
2032D convertible senior notes [Member] | Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.62
Option indexed to issuers equity settlement proceeds	0	[1]
2032D convertible senior notes [Member] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 16.04
Option indexed to issuers equity settlement proceeds	244,000,000	[1]
2033E convertible senior notes [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)	10.93	[2]
Option indexed to issuer's equity, shares (in shares)	27
2033E convertible senior notes [Member] | Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.51
Option indexed to issuers equity settlement proceeds	0	[1]
2033E convertible senior notes [Member] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.51
Option indexed to issuers equity settlement proceeds	98,000,000	[1]
2033F convertible senior note [Member]
Option Indexed to Issuer's Equity [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)	10.93	[2]
Option indexed to issuer's equity, shares (in shares)	27
2033F convertible senior note [Member] | Minimum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.51
Option indexed to issuers equity settlement proceeds	0	[1]
2033F convertible senior note [Member] | Maximum [Member]
Option Indexed to Issuer's Equity [Line Items]
Option Indexed to Issuer's Equity, stated cap price	$ 14.51
Option indexed to issuers equity settlement proceeds	$ 98,000,000	[1]

[1] 2) Settlement in cash on the respective expiration dates would result in us receiving an amount ranging from zero, if the market price per share of our common stock is at or below the respective low strike price, to the respective maximum amount if the market price per share of our common stock is at or above the respective high cap price. If share settlement were elected, the number of shares repurchased would be determined by the value of the capped calls at the time of settlement divided by the share price on the settlement date.

[2] 1) Initial strike prices are subject to certain adjustments