v2.4.0.8

Elpida Memory, Inc. Elpida Memories, Inc. (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended |  | 0 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | ---
Nov. 29, 2012 | Jul. 31, 2013 | Jul. 31, 2013 Elpida Company [Member] | Aug. 29, 2013 Elpida Company [Member] | Jul. 31, 2013 Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. [Member] | Nov. 28, 2013 Rexchip Electronics Corporation, now known as Micron Memory Taiwan Co., Ltd. [Member]
Business Acquisition [Line Items] |  |  |  |  |  |
Cash paid for the acquisition of Elpida |  |  | $ 615 |  | $ 334 |
Rexchip Share Purchase Agreement [Abstract] |  |  |  |  |  |
Percentage of equity acquired |  |  |  |  | 24.00% |
Business Acquisition, Equity Interest Held by Acquiree, Less than Wholly Owned Subsidiary, Ownership Percentage |  |  | 65.00% |  |  |
Ownership percentage after stock transactions during period (in hundredths) |  |  |  |  |  | 89.00%
Total net assets acquired |  | 2,601 |  |  |  |
Noncontrolling interests in Elpida |  | 168 |  |  |  |
Gain on acquisition of Elpida |  |  |  | 1,484 |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |  |  |
Net sales | 2,619 |  |  |  |  |
Net income (loss) | (226) |  |  |  |  |
Net income (loss) attributable to Micron | $ (237) |  |  |  |  |
Earnings (loss) per share: [Abstract] |  |  |  |  |  |
Basic (in dollars per share) | $ (0.23) |  |  |  |  |
Diluted (in dollars per share) | $ (0.23) |  |  |  |  |

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