Commitments and Contingencies (Guarantees and Other Narrative) (Details) $ in Millions	Sep. 30, 2022 USD ($)
Guarantor Obligations [Line Items]
Equity contributions or payments required	$ 0.0
Unrecorded Unconditional Purchase Obligation [Line Items]
Unconditional purchase obligation	10,588.0
Purchase obligations in 2023	$ 3,788.0
Trinidad Facility \| Performance Guarantee
Guarantor Obligations [Line Items]
Ownership interest percentage	50.00%
Jazan Gas Projects Company
Guarantor Obligations [Line Items]
Ownership interest percentage	26.00%
Jazan Gas Projects Company \| Performance Guarantee
Guarantor Obligations [Line Items]
Maximum potential payment under guarantees	$ 244.5
Helium Purchases
Unrecorded Unconditional Purchase Obligation [Line Items]
Unconditional purchase obligation	6,600.0
Purchase Commitments for Plant and Equipment
Unrecorded Unconditional Purchase Obligation [Line Items]
Purchase obligations in 2023	3,100.0
Trinidad Facility \| Performance Guarantee
Guarantor Obligations [Line Items]
Maximum potential payment under guarantees	$ 23.0

Equity contributions or payments pertaining to guarantee obligation

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

+ Details

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308

+ Details

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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