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Acquisition of Inotera (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 06, 2016 | Mar. 02, 2017 | Aug. 31, 2017 | Sep. 01, 2016 | Sep. 03, 2015 | Dec. 05, 2016
Acquisition of Inotera |  |  |  |  |  |
Gain on remeasurement of previously-held equity interest in Inotera |  |  | $ 71 | $ 0 | $ 0 |
Consideration |  |  |  |  |  |
Payments attributed to intercompany balances with Inotera |  |  | 361 | 0 | $ 0 |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill |  |  | 1,228 | 104 |  |
Unaudited Pro Forma Financial Information |  |  |  |  |  |
Net sales |  |  | 20,317 | 12,341 |  |
Net Income (Loss) |  |  | 5,172 | (543) |  |
Net income (loss) attributable to Micron |  |  | $ 5,171 | $ (544) |  |
Earnings (loss) per share, basic (in dollars per share) |  |  | $ 4.68 | $ (0.50) |  |
Earnings (loss) per share, diluted (in dollars per share) |  |  | $ 4.42 | $ (0.50) |  |
CNBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill |  |  | $ 832 | $ 3 |  |
MBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill |  |  | 198 |  |  |
EBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill |  |  | 97 |  |  |
Inotera | Nanya and certain of its affiliates |  |  |  |  |  |
Acquisition of Inotera |  |  |  |  |  |
Percentage interest in Inotera held by Nanya immediately prior to acquisition (in hundredths) |  |  |  |  |  | 32.00%
Inotera |  |  |  |  |  |
Acquisition of Inotera |  |  |  |  |  |
Ownership interest in Inotera immediately prior to acquisition (in hundredths) |  |  |  |  |  | 33.00%
Percentage of Inotera voting interests acquired (in hundredths) | 67.00% |  |  |  |  |
Transaction costs incurred in connection with acquisition of Inotera |  |  | 13 | $ 3 |  |
Gain on remeasurement of previously-held equity interest in Inotera |  | $ 71 |  |  |  |
Micron Shares |  |  |  |  |  |
Proceeds from issuance of stock to Nanya | $ 986 |  |  |  |  |
Provisional Information, Initial Accounting Incomplete, Adjustments |  |  |  |  |  |
Provisional information adjustment, Property, plant, and equipment |  |  | (59) |  |  |
Provisional information adjustment, Other noncurrent assets |  |  | 13 |  |  |
Provisional information adjustment, Deferred tax assets |  |  | 8 |  |  |
Goodwill purchase accounting adjustment |  |  | 38 |  |  |
Consideration |  |  |  |  |  |
Cash paid for Inotera Acquisition | 4,099 |  |  |  |  |
Less cash received from selling Micron Shares | (986) |  |  |  |  |
Net cash paid for Inotera Acquisition | 3,113 |  |  |  |  |
Fair value of our previously-held equity interest in Inotera | 1,441 |  |  |  |  |
Fair value of Micron Shares exchanged for Inotera shares | 995 |  |  |  |  |
Other | 3 |  |  |  |  |
Payments attributed to intercompany balances with Inotera | (361) |  |  |  |  |
Total fair value of consideration for Inotera including previously held equity interests | 5,191 |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Cash and equivalents | 118 |  |  |  |  |
Inventories | 285 |  |  |  |  |
Other current assets | 27 |  |  |  |  |
Property, plant, and equipment | 3,722 |  |  |  |  |
Deferred tax assets | 82 |  |  |  |  |
Goodwill | 1,124 |  |  |  |  |
Other noncurrent assets | 130 |  |  |  |  |
Accounts payable and accrued expenses | (232) |  |  |  |  |
Debt | (56) |  |  |  |  |
Other noncurrent liabilities | (9) |  |  |  |  |
Total assets acquired and liabilities assumed, including goodwill | 5,191 |  |  |  |  |
Inotera | CNBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill | 829 |  |  |  |  |
Inotera | MBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill | 198 |  |  |  |  |
Inotera | EBU |  |  |  |  |  |
Assets acquired and liabilities assumed |  |  |  |  |  |
Goodwill | $ 97 |  |  |  |  |
Inotera | Level 3 |  |  |  |  |  |
Acquisition of Inotera |  |  |  |  |  |
Gain on remeasurement of previously-held equity interest in Inotera |  |  | $ 71 |  |  |
Inotera | Shares Issued to Nanya |  |  |  |  |  |
Micron Shares |  |  |  |  |  |
Number of Micron Shares issued to Nanya as consideration for Inotera shares not already owned (in shares) | 58 |  |  |  |  |
Proceeds from issuance of stock to Nanya | $ 986 |  |  |  |  |
Consideration |  |  |  |  |  |
Less cash received from selling Micron Shares | (986) |  |  |  |  |
Inotera | Shares Issued to Nanya | Level 2 |  |  |  |  |  |
Micron Shares |  |  |  |  |  |
Discount for lack of transferability on Micron Shares issued to Nanya | $ 81 |  |  |  |  |

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