Liabilities, Commitments and Contingencies - Schedule of Environmental Remediation Activity (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Environmental [Roll Forward]
Beginning balance – January 1	$ 844	$ 752
Reductions for payments made, net of recoveries	(14)	(10)
Changes in estimates	7	46
Ending balance – March 31	$ 837	$ 788

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

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
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-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
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-Name Accounting Standards Codification
-Section 50
-Paragraph 10
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-URI https://asc.fasb.org//1943274/2147481931/410-30-50-10

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 410
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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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
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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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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