GEOGRAPHIC AREAS (Tables)

12 Months Ended

Dec. 31, 2017

Revenues from External Customers and Long-Lived Assets [Line Items]

Sales by Geographic Area

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2017		2016		2015
Sales to unaffiliated customers:
U.S.	$	6,168	$	5,451	$	4,362
Canada	472		341		307
Japan	352		369		363
China	107		108		99
Other foreign countries	97		96		115
Total	$	7,196	$	6,365	$	5,246
Export sales from the U.S.:
Japan	$	295	$	314	$	309
China	102		103		97
Other foreign countries	148		98		91
Total	$	545	$	515	$	497

Long-Lived Assets by Geographic Area

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2017		DECEMBER 31, 2016(1)		DECEMBER 31, 2015(1)
U.S.	$	14,922	$	15,700	$	8,260
Canada	223		206		460
Other foreign countries	—		527		654
Total	$	15,145	$	16,433	$	9,374
(1) Includes assets of discontinued operations.