Risk Management, Derivative Instruments and Hedging Activities - Balance Sheets Presentation (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Derivative [Line Items]
Derivative asset, current	$ 33	$ 56
Derivative liability, current	250	101
Derivative asset, noncurrent	10	4
Derivative liability, noncurrent	49	67
Commodity derivatives
Derivative [Line Items]
Derivative asset, current	32	56
Derivative liability, current	248	97
Derivative asset, noncurrent	10	4
Derivative liability, noncurrent	40	59
Interest rate derivatives
Derivative [Line Items]
Derivative asset, current	1	0
Derivative liability, current	2	4
Derivative asset, noncurrent	0	0
Derivative liability, noncurrent	$ 9	$ 8

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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