ACQUISITIONS - Purchase Price Allocation (Details) - USD ($) $ in Millions	7 Months Ended
	Jun. 30, 2022	Dec. 31, 2021	Nov. 18, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,149	$ 1,116
Ferrous Processing and Trading
Acquired Finite-Lived Intangible Assets [Line Items]
Cash and cash equivalents	9		$ 9
Accounts receivable, net	235		233
Inventories	139		137
Other current assets	4		4
Property, plant and equipment	191		179
Other non-current assets	64		74
Accounts payable	(122)		(122)
Accrued employment costs	(8)		(8)
Other current liabilities	(9)		(9)
Other non-current liabilities	(22)		(21)
Net identifiable assets acquired	481		476
Goodwill	312		279
Total net assets acquired	793		$ 755
Measurement Period Adjustments, Cash and cash equivalents	0
Measurement Period Adjustments, Accounts receivable, net	2
Measurement Period Adjustments, Inventories	2
Measurement Period Adjustments, Other current assets	0
Measurement Period Adjustments, Property, plant, and equipment	12
Measurement Period Adjustments, Other non-current assets	(10)
Measurement Period Adjustments, Accounts payable	0
Measurement Period Adjustments, Accrued employment costs	0
Measurement Period Adjustments, Other current liabilities	0
Measurement Period Adjustments, Other non-current liabilities	(1)
Measurement Period Adjustments, Net identifiable assets acquired	5
Measurement Period Adjustments, Goodwill	33
Measurement Period Adjustments, Total net assets acquired	$ 38