DIVESTITURES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of property and businesses, net of cash divested	$ 68	$ 929	$ 84
Gain on disposal	16	717	(49)
Rail Infrastructure Operations and Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of property and businesses, net of cash divested		303
Disposal Group, Including Discontinued Operation, Assets, Noncurrent		68
Disposal Group, Including Discontinued Operation, Goodwill		2
Gain on disposal		233
Marine and Terminal Operations and Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of property and businesses, net of cash divested		600
Disposal Group, Including Discontinued Operation, Assets, Noncurrent		93
Disposal Group, Including Discontinued Operation, Goodwill		8
Gain on disposal		499
Packaging & Specialty Plastics [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposal	16	52	0
Packaging & Specialty Plastics [Member] | Rail Infrastructure Operations and Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets		16
Gain on disposal		48
Packaging & Specialty Plastics [Member] | Marine and Terminal Operations and Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets		7
Gain on disposal		17
Industrial Intermediates & Infrastructure [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposal	0	61	(5)
Industrial Intermediates & Infrastructure [Member] | Marine and Terminal Operations and Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets		17
Gain on disposal		61
Corporate Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposal	$ 0	604	$ (44)
Corporate Segment [Member] | Rail Infrastructure Operations and Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets		54
Gain on disposal		185
Corporate Segment [Member] | Marine and Terminal Operations and Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Assets		77
Gain on disposal		$ 421