GEOGRAPHIC AREAS (Tables)

12 Months Ended

Dec. 31, 2023

Segments, Geographical Areas [Abstract]

Sales by Geographic Area

Sales by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	2023		2022		2021
Sales to unaffiliated customers:
U.S.	$	6,602	$	8,709	$	8,709
Canada		578		773		778
Japan		302		524		477
China		114		82		123
Korea		30		45		52
Other foreign countries		48		51		62
Total	$	7,674	$	10,184	$	10,201
Export sales from the U.S.:
Japan	$	281	$	471	$	396
Canada		134		143		128
China		109		80		119
Korea		28		40		51
Other foreign countries		35		36		36
Total	$	587	$	770	$	730

Long-Lived Assets by Geographic Area

Long-Lived Assets by Geographic Area

DOLLAR AMOUNTS IN MILLIONS
	DECEMBER 31,  2023(1)		DECEMBER 31,  2022(1)
U.S.	$	14,037	$	13,979
Canada		288		289
Total	$	14,325	$	14,268

(1)Includes legacy coal assets related to planned divestiture.