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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2019
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Property, Plant and Equipment The Company's major classes of property, plant, and equipment were as follows:
| As of December 31, |  |  |  | Depreciable
(In millions) | 2019 |  | 2018 |  | Lives
Facilities and equipment | $ | 3,262 |  |  | $ | 3,763 |  |  | 1-40 years
Land and improvements | 324 |  |  | 347 |  |  |
Nuclear fuel | 235 |  |  | 212 |  |  | 5 years
Hardware and office equipment and furnishings | 422 |  |  | 431 |  |  | 2-10 years
Construction in progress | 102 |  |  | 106 |  |  |
Total property, plant, and equipment | 4,345 |  |  | 4,859 |  |  |
Accumulated depreciation | (1,752) |  |  | (1,811) |  |  |
Net property, plant, and equipment | $ | 2,593 |  |  | $ | 3,048 |  |  |
The Company recorded long-lived asset impairments during the years ended December 31, 2019 and 2018, as further described in Note 11, Asset Impairments.

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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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