GOODWILL AND INTANGIBLE ASSETS AND LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following is a summary of goodwill by segment:

	(In Millions)
	December 31,
	2020		2019
Steelmaking	$	1,232	$	2
Other Businesses	174		—
Total goodwill	$	1,406	$	2

Schedule of Acquired Intangible Assets and Liabilities by Major Class

The following is a summary of our intangible assets and liabilities:

		(In Millions)
	Classification1	Gross Amount		Accumulated Amortization		Net Amount
As of December 31, 2020
Intangible assets:
Customer relationships	Other non-current assets	$	77	$	(3)	$	74
Technology	Other non-current assets	60		(3)		57
Trade names and trademarks	Other non-current assets	11		(1)		10
Mining permits	Other non-current assets	72		(25)		47
Total intangible assets		$	220	$	(32)	$	188
Intangible liabilities:
Above-market supply contracts	Other non-current liabilities	$	(71)	$	7	$	(64)
As of December 31, 2019
Intangible assets:
Mining permits	Other non-current assets	$	72	$	(24)	$	48
1 Amortization of intangible liabilities related to above-market supply contracts and intangible assets related to mining permits is recognized in Cost of goods sold. Amortization of all other intangible assets is recognized in Selling, general and administrative expenses.