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PROPERTIES AND ACCUMULATED DEPRECIATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment [Line Items] |  |  |
Properties and equipment at cost | $ 13,531 | $ 13,081 |
Less: Accumulated depreciation | 7,982 | 7,510 |
Net properties | 5,549 | 5,571 |
Property, Plant, and Equipment, Additional Disclosures [Abstract] |  |  |
Depreciation expense | 445 | 450 | $ 437
Cumulative construction-period interest | 100 | 98 |
Accumulated depreciation for cumulative construction-period interest | 41 | 38 |
Interest capitalized | 4 | 4 | $ 4
Land [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Properties and equipment at cost | 163 | 158 |
Buildings and Building Equipment [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Properties and equipment at cost | 1,824 | 1,450 |
Machinery and Equipment [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Properties and equipment at cost | 11,494 | 11,117 |
Construction in Progress [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Properties and equipment at cost | $ 50 | $ 356 |

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- Definition Tangible assets held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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