PROPERTY, PLANT AND EQUIPMENT
|12 Months Ended|
Dec. 31, 2017
|PROPERTY, PLANT AND EQUIPMENT|
|PROPERTY, PLANT AND EQUIPMENT||
5. PROPERTY, PLANT AND EQUIPMENT
The cost and accumulated depreciation of property, plant and equipment were as follows (dollars in millions):
Depreciation expense for 2017, 2016 and 2015 was $298 million, $289 million and $278 million, respectively.
Depreciation expense for 2017, 2016 and 2015 was $289 million, $277 million and $266 million, respectively.
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.
Reference 1: http://www.xbrl.org/2003/role/presentationRef