GEOGRAPHIC AREAS (Tables)

12 Months Ended

Dec. 31, 2019

Segments Geographical Areas [Abstract]

Sales by Geographic Area

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2019		2018		2017
Sales to unaffiliated customers:
U.S.	$	5,674	$	6,365	$	6,168
Canada		440		519		472
Japan		305		410		352
China		90		120		107
Other foreign countries		45		62		97
Total	$	6,554	$	7,476	$	7,196
Export sales from the U.S.:
Japan	$	265	$	338	$	295
China		85		113		102
Other foreign countries		129		153		148
Total	$	479	$	604	$	545

Long-Lived Assets by Geographic Area

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2019		DECEMBER 31, 2018
U.S.	$	14,074	$	14,778
Canada		275		220
Total	$	14,349	$	14,998