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Property, Plant and Equipment, Net of Accumulated Depreciation | 12 Months Ended
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Dec. 31, 2018
Property, Plant and Equipment, Net of Accumulated Depreciation [Abstract] |
Property, Plant and Equipment, Net of Accumulated Depreciation | 7.Property, Plant and Equip ment, Net of Accumulated Depreciation ﻿ Property, plant and equipment, net of accumulated depreciation follow (in millions): ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ | December 31,
﻿ | 2018 |  | 2017
﻿Land | $ | 467 |  | $ | 482
﻿Buildings |  | 5,924 |  |  | 5,864
﻿Equipment |  | 18,218 |  |  | 16,648
﻿Construction in progress |  | 2,218 |  |  | 1,832
﻿ |  | 26,827 |  |  | 24,826
﻿Accumulated depreciation |  | (11,932) |  |  | (10,809)
﻿Total | $ | 14,895 |  | $ | 14,017
﻿ Approximately $49 million, $36 million and $23 million of interest costs were capitalized as part of property, plant and equipment, net of accumulated depreciation, in 2018, 2017 and 2016, respectively. 7.Property, Plant and Equipment, Net of Accumulated Depreciation (continued) ﻿ Manufacturing equipment includes certain components of production equipment that are constructed of precious metals. At December 31, 2018 and 2017, the recorded value of precious metals totaled $3 billion in each period. Depletion expense for precious metals in the years ended December 31, 2018, 2017 and 2016 was $14 million, $13 million and $20 million, respectively.

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- References No definition available. + Details
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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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