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PROPERTIES AND ACCUMULATED DEPRECIATION

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

PROPERTIES AND ACCUMULATED DEPRECIATION

PROPERTIES AND ACCUMULATED DEPRECIATION

	December 31,
(Dollars in millions)	2016				2015
Properties
Land	$	157			$	163
Buildings and building equipment	1,256				1,148
Machinery and equipment	9,646				9,333
Construction in progress	640				590
Properties and equipment at cost	$	11,699			$	11,234
Less:  Accumulated depreciation	6,423				6,104
Net properties	$	5,276			$	5,130

Depreciation expense was $412 million, $402 million, and $355 million for 2016, 2015, and 2014, respectively.

Cumulative construction-period interest of $169 million and $163 million, reduced by accumulated depreciation of $111 million and $107 million, is included in net properties at December 31, 2016 and 2015, respectively.

The Company capitalized $7 million of interest in each year 2016, 2015, and 2014.

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- References

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13-14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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