Properties, Plants and Equipment - Summary (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Gross PP&E	$ 62,270	$ 61,791
Accum. D&A	23,121	22,694
Net PP&E	39,149	39,097
Corporate and Other
Property, Plant and Equipment [Line Items]
Gross PP&E	4,592	1,492
Accum. D&A	3,776	933
Net PP&E	816	559
Midstream \| Operating Segments
Property, Plant and Equipment [Line Items]
Gross PP&E	29,903	29,558
Accum. D&A	5,973	5,771
Net PP&E	23,930	23,787
Chemicals \| Operating Segments
Property, Plant and Equipment [Line Items]
Gross PP&E	0	0
Accum. D&A	0	0
Net PP&E	0	0
Refining \| Operating Segments
Property, Plant and Equipment [Line Items]
Gross PP&E	22,959	25,955
Accum. D&A	11,027	13,685
Net PP&E	11,932	12,270
Marketing and Specialties \| Operating Segments
Property, Plant and Equipment [Line Items]
Gross PP&E	1,029	1,014
Accum. D&A	556	543
Net PP&E	473	471
Renewable Fuels \| Operating Segments
Property, Plant and Equipment [Line Items]
Gross PP&E	3,787	3,772
Accum. D&A	1,789	1,762
Net PP&E	$ 1,998	$ 2,010

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

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