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Supplemental Financial Information (Schedule of Inventory) (Details) (USD $)
In Millions |
Jun. 30, 2011
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Dec. 31, 2010
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|---|---|---|
| Supplemental Financial Information | ||
| Finished goods | $ 34 | $ 39 |
| Service parts | 25 | 26 |
| Total inventories | $ 59 | $ 65 |
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- Definition
n/a
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| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date of components of assembled products that can be sold directly or indirectly through sales of assembled products. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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