Property, Plant and Equipment - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Non-cash impairment charge			$ 101,756,000	$ 62,161,000	$ 613,640,000
Property, plant and equipment, net	$ 9,616,920,000		9,616,920,000	8,114,818,000
Government financial assistance			$ 275,000,000.0
Steel Mills [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge					103,200,000
Land and Improvements, Net [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			5 years
Land and Improvements, Net [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			25 years
Buildings and Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			4 years
Buildings and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			40 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			2 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives range			15 years
Leasehold Interest in Unproved Oil and Gas Properties [Member]
Property, Plant and Equipment [Line Items]
Non-cash impairment charge	96,000,000.0	$ 27,000,000.0		42,000,000.0	$ 27,000,000.0
Property, plant and equipment, net	$ 0		$ 0	$ 96,000,000.0
Construction in Process and Equipment Deposits [Member]
Property, Plant and Equipment [Line Items]
Government financial assistance			179,700,000
Deferred Credit and Other Liabilities [Member]
Property, Plant and Equipment [Line Items]
Government financial assistance			$ 95,300,000