Property, Plant and Equipment, Net - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Land and land improvements	$ 10,370.0	$ 8,955.0
Less: accumulated depreciation, depletion and amortization	(4,032.0)	(3,712.7)
Property, plant and equipment, net	6,338.0	5,242.3
Land and Land Improvements
Property Plant And Equipment [Line Items]
Land and land improvements	1,530.1	1,231.9
Mineral Reserves and Interests
Property Plant And Equipment [Line Items]
Land and land improvements	2,924.5	2,529.7
Building
Property Plant And Equipment [Line Items]
Land and land improvements	169.6	164.2
Machinery and Equipment
Property Plant And Equipment [Line Items]
Land and land improvements	5,357.7	4,782.0
Construction in Progress
Property Plant And Equipment [Line Items]
Land and land improvements	162.2	209.4
Finance Lease Right Of Use Assets
Property Plant And Equipment [Line Items]
Land and land improvements	$ 225.9	$ 37.8