Discontinued Operations And Disposal Groups (Details) (Micron Technology Italia, Srl. [Member], USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
May 03, 2013 mm	Feb. 28, 2013
Micron Technology Italia, Srl. [Member]
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Diameter of Wafer Used in Production (in millimeters)	200
Value of consideration received	$ 35
Loss on impairment of assets		62
Other current assets	75
Other noncurrent assets	37
Accounts payable and accrued expenses	(43)
Other noncurrent liabilities	(34)
Net carrying value of assets and liabilities sold	$ 35

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying value of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business along with the carrying value of obligations incurred and payable pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include interest, rent, salaries, and utilities.

+ References

No definition available.

+ Details

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- Definition

For the disposal group, including a component of the entity (discontinued operation), the net carrying value of assets sold and liabilities transferred.

+ References

No definition available.

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- Definition

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

+ References

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount of assets not otherwise specified in the taxonomy that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- Definition

For the disposal group, including a component of the entity (discontinued operation), carrying amount as of the balance sheet date of assets not otherwise specified, and which are expected to be realized or consumed after one year or beyond the normal operating cycle, if longer. For an unclassified balance sheet, represents both current and noncurrent other assets.

+ References

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- Definition

For the disposal group, including a component of the entity (discontinued operation), obligations not otherwise itemized that are due after one year or operating cycle, if longer, from the balance sheet date.

+ References

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- Definition

Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

+ References

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