VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Income from continuing operations attributable to noncontrolling interest	$ 45	$ 41	$ 0
Cash and cash equivalents	48	112
Inventories	5,188	3,828
Property, plant and equipment, net	9,186	8,743	$ 1,929
Accounts payable	(2,073)	(1,575)
Noncontrolling interests	(284)	(323)
Variable Interest Entity, Primary Beneficiary | SunCoke Middletown
Variable Interest Entity [Line Items]
Income from continuing operations attributable to noncontrolling interest	52	41
Cash and cash equivalents	0	5
Inventories	20	21
Property, plant and equipment, net	300	308
Accounts payable	(12)	(15)
Other assets (liabilities), net	(12)	(10)
Noncontrolling interests	$ (296)	$ (309)