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Elpida Memory, Inc. Elpida Memories, Inc. (Details)
Share data in Millions, unless otherwise specified |
5 Months Ended | 6 Months Ended | 12 Months Ended | 24 Months Ended | 12 Months Ended | 1 Months Ended | 6 Months Ended | 3 Months Ended | 5 Months Ended | |||||||||||||||||||||||||
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Nov. 29, 2012
Elpida Memory, Inc. [Member]
USD ($)
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Jul. 31, 2012
Elpida Memory, Inc. [Member]
USD ($)
|
Jul. 31, 2012
Elpida Memory, Inc. [Member]
JPY (¥)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Not Designated as Hedging Instrument [Member]
Call Options Purchased [Member]
JPY (¥)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Not Designated as Hedging Instrument [Member]
Put Options Written [Member]
JPY (¥)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Not Designated as Hedging Instrument [Member]
Call Options Written [Member]
JPY (¥)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
USD ($)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
EUR (€)
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Yen
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Yen
Not Designated as Hedging Instrument [Member]
Call Options Purchased [Member]
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Yen
Not Designated as Hedging Instrument [Member]
Put Options Written [Member]
|
Nov. 29, 2012
Elpida Memory, Inc. [Member]
Yen
Not Designated as Hedging Instrument [Member]
Call Options Written [Member]
|
Nov. 29, 2012
Rexchip Electronics Corporation [Member]
Not Designated as Hedging Instrument [Member]
Call Options Purchased [Member]
USD ($)
|
Nov. 29, 2012
Rexchip Electronics Corporation [Member]
Not Designated as Hedging Instrument [Member]
Call Options Purchased [Member]
TWD
|
Nov. 29, 2012
Rexchip Electronics Corporation [Member]
New Taiwan dollar
|
Nov. 29, 2012
Rexchip Electronics Corporation [Member]
New Taiwan dollar
Not Designated as Hedging Instrument [Member]
Call Options Purchased [Member]
|
Nov. 29, 2012
Scenario, Plan [Member]
Elpida Memory, Inc. [Member]
USD ($)
decimal
|
Nov. 29, 2012
Scenario, Plan [Member]
Elpida Memory, Inc. [Member]
JPY (¥)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
USD ($)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
JPY (¥)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
USD ($)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
JPY (¥)
|
Jun. 30, 2014
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
USD ($)
|
Jun. 30, 2014
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
JPY (¥)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
USD ($)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
JPY (¥)
|
Dec. 31, 2012
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
USD ($)
|
Dec. 31, 2012
Scenario, Forecast [Member]
Elpida Memory, Inc. [Member]
Payment Guarantee [Member]
JPY (¥)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Rexchip Electronics Corporation [Member]
USD ($)
|
Jun. 30, 2013
Scenario, Forecast [Member]
Rexchip Electronics Corporation [Member]
TWD
|
Nov. 29, 2012
Other Operating Income (Expense) [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Dec. 01, 2011
Other Operating Income (Expense) [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Nov. 29, 2012
Other Operating Income (Expense) [Member]
Not Designated as Hedging Instrument [Member]
Elpida Memory, Inc. [Member]
USD ($)
|
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| Elpida Sponsor Agreement [Abstract] | ||||||||||||||||||||||||||||||||||
| Business Acquisition and Reorganization Plan Payments, Total Cash Payments | $ 2,440,000,000 | ¥ 200,000,000,000 | ||||||||||||||||||||||||||||||||
| Funds deposited in escrow account | 22,000,000 | 1,800,000,000 | ||||||||||||||||||||||||||||||||
| Business Acquisition Cost Of Acquired Entity Cash Paid At Closing | 731,000,000 | 60,000,000,000 | ||||||||||||||||||||||||||||||||
| Percentage of equity acquired | 100.00% | 100.00% | 100.00% | 100.00% | 24.00% | 24.00% | ||||||||||||||||||||||||||||
| Reorganization Plan Future Payments | 1,710,000,000 | 140,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Plan Number of Annual Installment Payments | 6 | 6 | ||||||||||||||||||||||||||||||||
| Reorganization payments, by maturity [Abstract] | ||||||||||||||||||||||||||||||||||
| Reorganization Payment Year Three | 244,000,000 | 20,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Payment Year Four | 244,000,000 | 20,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Payment Year Five | 244,000,000 | 20,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Payment Year Six | 244,000,000 | 20,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Payment Year Seven | 365,000,000 | 30,000,000,000 | ||||||||||||||||||||||||||||||||
| Reorganization Payment Year Eight | 365,000,000 | 30,000,000,000 | ||||||||||||||||||||||||||||||||
| Maximum exposure for potential payment guarantees of debtor-in-possession financing | 195,000,000 | 16,000,000,000 | ||||||||||||||||||||||||||||||||
| Agreement to Provide Reasonable Efforts In Obtaining Financing Subsequent to Acquisition, Amount | 61,000,000 | 5,000,000,000 | 61,000,000 | 5,000,000,000 | ||||||||||||||||||||||||||||||
| Maximum exposure to payment guarantee or direct financing for Elpida capital expenditures | 487,000,000 | 40,000,000,000 | 780,000,000 | 64,000,000,000 | ||||||||||||||||||||||||||||||
| Maximum exposure to executed payment guarantees related to financing of capital expenditures | 38,000,000 | 29,000,000 | ||||||||||||||||||||||||||||||||
| Payment guarantees related to financing of capital expenditures entered into during the period | 73,000,000 | 6,000,000,000 | ||||||||||||||||||||||||||||||||
| Elpida's ownership percentage in Rexchip Electronics Corp | 65.00% | 65.00% | 65.00% | 65.00% | ||||||||||||||||||||||||||||||
| Rexchip Share Purchase Agreement [Abstract] | ||||||||||||||||||||||||||||||||||
| Business Combination, Step Acquisition, Shares of Common Stock Purchased | 714 | 714 | ||||||||||||||||||||||||||||||||
| Percentage of equity acquired | 100.00% | 100.00% | 100.00% | 100.00% | 24.00% | 24.00% | ||||||||||||||||||||||||||||
| Payments to Acquire Additional Interest in Subsidiaries | 343,000,000 | 10,000,000,000 | ||||||||||||||||||||||||||||||||
| Foreign Currency Exchange Rate, Translation | 82 | 29 | ||||||||||||||||||||||||||||||||
| Ownership percentage after stock transactions during period (in hundredths) | 89.00% | 89.00% | ||||||||||||||||||||||||||||||||
| Foreign Currency Derivatives [Abstract] | ||||||||||||||||||||||||||||||||||
| Notional amount of call options purchased | 200,000,000,000 | 10,000,000,000 | ||||||||||||||||||||||||||||||||
| Weighted average strike price of call options purchased | 79.15 | 29.21 | ||||||||||||||||||||||||||||||||
| Notional amount of foreign currency derivative sale contracts | 100,000,000,000 | 100,000,000,000 | ||||||||||||||||||||||||||||||||
| Strike price of options sold | 83.32 | 75.57 | ||||||||||||||||||||||||||||||||
| Derivative, Cost of Hedge Net of Cash Received From Sale of Options, Payments Within One Year | 49,000,000 | 3,000,000 | ||||||||||||||||||||||||||||||||
| Reduction of amount to be paid to the secured and unsecured creditors of the Elpida Companies due to the weakening of the yen | 70,000,000 | |||||||||||||||||||||||||||||||||
| Derivative Instruments, Gain (Loss) Recognized in Income | $ 51,000,000 | $ 20,000,000 | $ 53,000,000 | |||||||||||||||||||||||||||||||