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Commitments and Contingencies Purchase Obligations (Details) (USD $)
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Mar. 31, 2013
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| Unrecorded Unconditional Purchase Obligation [Line Items] | |
| Unrecorded noncancelable obligations for remainder of fiscal 2013 | $ 3,400,000,000 |
| Unrecorded noncancelable obligations for fiscal 2014 | 447,000,000 |
| Unrecorded noncancelable obligations for fiscal 2015 | 127,000,000 |
| Unrecorded noncancelable obligations for fiscal 2016 | 31,000,000 |
| Unrecorded noncancelable obligations for fiscal 2017 | 4,000,000 |
| Unrecorded noncancelable obligations thereafter | 11,000,000 |
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Inventories [Member]
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| Unrecorded Unconditional Purchase Obligation [Line Items] | |
| Unrecorded noncancelable obligations for remainder of fiscal 2013 | 3,000,000,000 |
| Unrecorded noncancelable obligations for fiscal 2014 | 348,000,000 |
| Unrecorded noncancelable obligations for fiscal 2015 | $ 79,000,000 |
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the four fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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