PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Line Items]

Carrying Value of Property and Equipment and Estimated Service Lives

Carrying Value of Property and Equipment and Estimated Service Lives

DOLLAR AMOUNTS IN MILLIONS
	RANGE OF LIVES	DECEMBER 31, 2014			DECEMBER 31, 2013
Property and equipment, at cost:
Land	N/A	$	127		$	129
Buildings and improvements	10–40	1,220			1,262
Machinery and equipment	2–25	6,706			6,712
Roads	10–20	609			594
Other	3–10	285			319
Total cost		8,947			9,016
Allowance for depreciation and amortization		(6,324		)	(6,327		)
Property and equipment, net		$	2,623		$	2,689