Derivative Instruments - Derivatives and Hedges (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Commodity forward contracts and collars \| Cash Flow Hedges
Derivatives and Hedges
Unrecognized gain (loss) included in Accumulated OCI	$ (12)	$ 1	$ 0
Foreign exchange risk \| Cash Flow Hedges
Derivatives and Hedges
Unrecognized gain (loss) included in Accumulated OCI	0	0	0
Foreign exchange risk \| Fair Value Hedges
Derivatives and Hedges
Amount excluded from assessment of effectiveness and included in Accumulated OCI	$ 4	$ 2	$ 1

Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-21

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Subparagraph (b)
-SubTopic 20
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-1A

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration