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v3.20.4

Property, Plant and Equipment Property, Plant and Equipment - (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Property, Plant and Equipment [Line Items] |  |
Land | $ 437 | $ 426
Buildings | 2,699 | 2,658
Machinery and equipment | 13,922 | 13,654
Construction in progress | 737 | 682
Property, plant, and equipment and finance lease right-of-use asset, gross | 17,795 | 17,420
Accumulated depreciation | (10,991) | (10,488)
Property plant and equipment, net before spare parts | 6,804 | 6,932
Spare parts | 269 | 276
Property, plant and equipment, net | 7,073 | 7,208
Owned |  |
Property, Plant and Equipment [Line Items] |  |
Land | 436 | 425
Buildings | 2,467 | 2,431
Machinery and equipment | 13,893 | 13,624
Construction in progress | 737 | 681
Property, plant, and equipment and finance lease right-of-use asset, gross | 17,533 | 17,161
Accumulated depreciation | (10,931) | (10,438)
Property plant and equipment, net before spare parts | 6,602 | 6,723
Spare parts | 269 | 276
Property, plant and equipment, net | 6,871 | 6,999
Finance Leases |  |
Property, Plant and Equipment [Line Items] |  |
Land | 1 | 1
Buildings | 232 | 227
Machinery and equipment | 29 | 30
Construction in progress |  | 1
Property, plant, and equipment and finance lease right-of-use asset, gross | 262 | 259
Accumulated depreciation | (60) | (50)
Property plant and equipment, net before spare parts | 202 | 209
Property, plant and equipment, net | $ 202 | $ 209
Building and Building Improvements | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, useful life | 3 years |
Building and Building Improvements | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, useful life | 45 years |
Machinery and Equipment | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, useful life | 3 years |
Machinery and Equipment | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant and equipment, useful life | 40 years |

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- Definition Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6812-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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