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ENVIRONMENTAL MATTERS (Tables)

12 Months Ended

Dec. 31, 2021

Environmental Matters [Abstract]

Schedule of Environmental Liabilities, Current and Non-current

(Dollars in millions)			December 31,
			2021						2020
Environmental contingencies, current			$	20					$	15
Environmental contingencies, long-term			261						270
Total			$	281					$	285

Schedule of Changes to Environmental Remediation Liabilities

(Dollars in millions)			Environmental Remediation Liabilities
Balance at December 31, 2019			$	260
Changes in estimates recognized in earnings and other			7
Cash reductions			(10)
Balance at December 31, 2020			257
Changes in estimates recognized in earnings and other			9
Cash reductions			(13)
Balance at December 31, 2021			$	253

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Roll Forward Of Environmental Remediation Liabilities [Table Text Block]

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Schedule Of Environmental Liabilities Balance Sheet Line Items [Table Text Block]

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