Liabilities, Commitments and Contingencies - Schedule of Environmental Remediation Activity (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Environmental [Roll Forward]
Beginning balance – January 1	$ 877	$ 834
Reductions for payments made, net of recoveries	(12)	(13)
Changes in estimates	11	34
Ending balance – March 31	$ 876	$ 855

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

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Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 410
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement.

+ References

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- Definition

Amount of cash outflow to settle environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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