ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Details)	1 Months Ended				3 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($) site party	Sep. 30, 2021 USD ($) mi	Jun. 30, 2018 USD ($)	Mar. 31, 2016 mi	Sep. 30, 2016 party	Dec. 31, 2022 USD ($) site segment	Dec. 31, 2021 USD ($) site	Dec. 31, 2020 USD ($)
Environmental remediation reserves
Number of sites | site	162					162	165
Remediation balance	$ 1,046,000,000					$ 1,046,000,000	$ 1,099,000,000
Environmental reserves, exceeding $ ten million, threshold value	$ 10,000,000					$ 10,000,000
Environmental reserves, exceeding $ ten million, number of sites | site	17					17
Environmental reserves, range between zero to $ one million site category, number of sites | site	94					94
Environmental remediation expense, statement of income or comprehensive income						Other operating and non-operating expense	Other operating and non-operating expense	Other operating and non-operating expense
Remediation expenses						$ 65,000,000	$ 28,000,000	$ 36,000,000
Percent of reserve to be funded over the next three to four years						40.00%
Minimum period of expending second half of environmental reserves						10 years
Subsidiaries
Environmental remediation reserves
Number of sites | site	162					162
Environmental remediation additional loss range	$ 2,700,000,000					$ 2,700,000,000
Accrued liabilities
Environmental remediation reserves
Environmental loss contingency, statement of financial position	Accrued liabilities					Accrued liabilities	Accrued liabilities
Remediation balance	$ 141,000,000					$ 141,000,000	$ 155,000,000
Accrued Environmental Loss Contingencies, Noncurrent
Environmental remediation reserves
Environmental loss contingency, statement of financial position	Accrued Environmental Loss Contingencies, Noncurrent					Accrued Environmental Loss Contingencies, Noncurrent	Accrued Environmental Loss Contingencies, Noncurrent
Remediation balance	$ 900,000,000					$ 900,000,000	$ 900,000,000
Low end of range
Environmental remediation reserves
Environmental reserves, range between zero to $ one million site category	0					$ 0
Period of expending 40 percent of environmental reserves						3 years
High end of range
Environmental remediation reserves
Environmental reserves, range between zero to $ one million site category	$ 1,000,000					$ 1,000,000
Period of expending 40 percent of environmental reserves						4 years
Non-National Priorities List Sites
Environmental remediation reserves
Number of site categories | site	3					3
NPL sites
Environmental remediation reserves
Number of sites | site	30					30	30
Remediation balance	$ 445,000,000					$ 445,000,000	$ 427,000,000
Third-Party Sites
Environmental remediation reserves
Number of sites | site	68					68	69
Remediation balance	$ 238,000,000					$ 238,000,000	$ 273,000,000
Number of sites with significant environmental remediation reserves | site						5
Number of sites not indemnified by third party | site						68
Percentage of environmental reserves accounted for by associated sites						66.70%
Currently Operated Sites
Environmental remediation reserves
Number of sites | site	13					13	15
Remediation balance	$ 106,000,000					$ 106,000,000	$ 122,000,000
Number of sites with significant environmental remediation reserves | site						3
Percentage of environmental reserves accounted for by associated sites						66.70%
Closed or Non-operated Sites
Environmental remediation reserves
Number of sites | site	51					51	51
Remediation balance	$ 257,000,000					$ 257,000,000	$ 277,000,000
Number of sites with significant environmental remediation reserves | site						8
Percentage of environmental reserves accounted for by associated sites						66.70%
Alden Leeds
Environmental remediation reserves
Number of parties, settled | party	85
Alden Leeds | Alden Leeds
Environmental remediation reserves
Remediation expenses	$ 150,000,000
Number of parties, settled | party	85
Diamond Alkali Superfund Site
Environmental remediation reserves
Number of operating units | segment						4
Diamond Alkali Superfund Site - Operable Unit Two
Environmental remediation reserves
Remediation expenses			$ 1,400,000,000
Stretch of lower passaic river requiring remedial actions | mi				8.3
Number of parties, notified to pay the cost | party					100
Diamond Alkali Superfund Site - Operable Unit Four
Environmental remediation reserves
Remediation expenses		$ 440,000,000
Stretch of lower passaic river requiring remedial actions | mi		17
River stretch which may require remedial actions | mi		9