Other Income, Net (Notes)	12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]
Other Income, Net	Other Income, NetOther income, net for 2020 included interest income ($12 million), partially offset by equity losses from investments in ammonia plants in Trinidad ($2 million). Other income, net for 2019 included interest income ($26 million) and net foreign currency transaction gains ($2 million). Other income, net for 2018 included interest income ($12 million), a downward adjustment to deferred compensation expense ($6 million) and equity income from investments in ammonia plants in Trinidad ($2 million), partially offset by net foreign currency transaction losses ($7 million).

The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-URI http://asc.fasb.org/topic&trid=2122503

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 610
-URI http://asc.fasb.org/topic&trid=49130413

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