Noncontrolling Interest (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($) T	Mar. 31, 2025 USD ($)	Feb. 01, 2016
Noncontrolling interest
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $	$ 201	$ 129
CF Industries Nitrogen, LLC
Noncontrolling interest
Maximum Annual Granular Urea Tons Eligible for Purchase | T	1,100,000
Maximum Annual UAN Tons Eligible for Purchase | T	580,000
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | $	$ 201	$ 129
CHS Inc. | CF Industries Nitrogen, LLC
Noncontrolling interest
Percentage of ownership interest held by outside investors			10.00%