GEOGRAPHIC AREAS (Tables)

12 Months Ended

Dec. 31, 2020

Segments Geographical Areas [Abstract]

Sales by Geographic Area

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2020		2019		2018
Sales to unaffiliated customers:
U.S.	$	6,549	$	5,674	$	6,365
Canada		528		440		519
Japan		326		305		410
China		83		90		120
Other foreign countries		46		45		62
Total	$	7,532	$	6,554	$	7,476
Export sales from the U.S.:
Japan	$	292	$	265	$	338
Canada		109		94		107
China		79		85		113
Other foreign countries		35		35		46
Total	$	515	$	479	$	604

Long-Lived Assets by Geographic Area

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31, 2020		DECEMBER 31, 2019
U.S.	$	13,922	$	14,074
Canada		299		275
Total	$	14,221	$	14,349