Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity method investments
Liability (refund) adjustment from settlement with taxing authority	$ 39
Impairment of equity method investment in PLNL	0	$ 43	$ 0
Point Lisas Nitrogen Limited (PLNL)
Equity method investments
Equity Method Investments	$ 29
Obligation to purchase ammonia (description)	50% of the ammonia produced by PLNL
Unrecorded Unconditional Purchase Obligation, Purchases	$ 90	142	$ 259
Point Lisas Nitrogen Limited (PLNL)
Equity method investments
Ownership interest (as a percent)	50.00%
Impairment of equity method investment in PLNL		$ 43

Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Describes the nature of an unconditional purchase obligation that is not recognized as a liability on the balance sheet.

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The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).

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