Schedule I Condensed Parent Company Balance Sheets (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	Aug. 28, 2014	Aug. 29, 2013	Aug. 30, 2012	Sep. 01, 2011
Assets
Cash and equivalents	$ 4,150	$ 2,880	$ 2,459	$ 2,160
Short-term investments	384	221
Receivables	2,906	2,329
Finished goods	898	796
Work in process	1,372	1,719
Raw materials and supplies	185	134
Other current assets	350	276
Total current assets	10,245	8,911
Long-term marketable investments	819	499
Property, plant and equipment, net	8,682	7,626
Equity method investments	971	396
Other noncurrent assets	497	439
Total assets	22,498	19,118
Liabilities and equity
Accounts payable and accrued expenses	2,698	2,115
Current debt	1,638	1,585
Total current liabilities	4,811	4,125
Long-term debt	4,955	4,452
Other noncurrent liabilities	1,102	535
Total liabilities	10,868	9,112
Commitments and contingencies
Redeemable convertible notes	57	0
Micron shareholders' equity:
Common stock, $0.10 par value, 3,000 shares authorized, 1,073 shares issued and outstanding (1,044 as of August 29, 2013)	107	104
Total Micron shareholders' equity	10,771	9,142
Total liabilities and equity	22,498	19,118
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common Stock, authorized shares (in shares)	3,000	3,000
Common Stock, issued (in shares)	1,073	1,044
Common Stock, outstanding (in shares)	1,073	1,044
Micron Technology, Inc. [Member]
Assets
Cash and equivalents	1,249	1,202	2,012	1,082
Short-term investments	384	221
Receivables	114	159
Notes and accounts receivable from subsidiaries	1,767	826
Finished goods	84	88
Work in process	228	332
Raw materials and supplies	68	43
Other current assets	215	30
Total current assets	4,109	2,901
Investment In subsidiaries	10,149	7,465
Long-term marketable investments	819	499
Noncurrent notes receivable from and prepaid expenses to subsidiaries	111	573
Property, plant and equipment, net	1,519	1,613
Equity method investments	9	12
Other noncurrent assets	595	472
Total assets	17,311	13,535
Liabilities and equity
Accounts payable and accrued expenses	758	650
Short-term debt payable to subsidiaries	619	416
Current debt	1,077	646
Other current liabilities	38	44
Total current liabilities	2,492	1,756
Long-term debt	3,231	2,438
Other noncurrent liabilities	760	199
Total liabilities	6,483	4,393
Commitments and contingencies
Redeemable convertible notes	57	0
Micron shareholders' equity:
Common stock, $0.10 par value, 3,000 shares authorized, 1,073 shares issued and outstanding (1,044 as of August 29, 2013)	107	104
Other equity	10,664	9,038
Total Micron shareholders' equity	10,771	9,142
Total liabilities and equity	$ 17,311	$ 13,535
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common Stock, authorized shares (in shares)	3,000	3,000
Common Stock, issued (in shares)	1,073	1,044
Common Stock, outstanding (in shares)	1,073	1,044