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Amortization of Capital Leases (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Capital Leased Assets [Line Items] | ||
| Capital leases | $ 319us-gaap_CapitalLeasedAssetsGross | $ 353us-gaap_CapitalLeasedAssetsGross |
| Less accumulated amortization | 171us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation | 188us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation |
| Total | $ 148us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet | $ 165us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet |
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- Definition
Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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