Property and Equipment - Components of Property and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Property and Equipment
Property and equipment, gross	$ 22,536	$ 18,528
Accumulated depreciation	(5,676)	(5,082)
Property and equipment, net	16,860	13,446
Crude oil pipeline systems \| Crude Oil
Property and Equipment
Property and equipment, gross	$ 18,428	14,612
Crude oil pipeline systems \| Minimum \| Crude Oil
Property and Equipment
Estimated Useful Lives (Years)	10 years
Crude oil pipeline systems \| Maximum \| Crude Oil
Property and Equipment
Estimated Useful Lives (Years)	50 years
Crude oil storage and terminal facilities \| Crude Oil
Property and Equipment
Property and equipment, gross	$ 2,808	2,679
Crude oil storage and terminal facilities \| Minimum \| Crude Oil
Property and Equipment
Estimated Useful Lives (Years)	10 years
Crude oil storage and terminal facilities \| Maximum \| Crude Oil
Property and Equipment
Estimated Useful Lives (Years)	50 years
NGL storage, terminal, fractionation and processing facilities \| NGL
Property and Equipment
Property and equipment, gross	$ 365	364
NGL storage, terminal, fractionation and processing facilities \| Minimum \| NGL
Property and Equipment
Estimated Useful Lives (Years)	10 years
NGL storage, terminal, fractionation and processing facilities \| Maximum \| NGL
Property and Equipment
Estimated Useful Lives (Years)	50 years
Office property and equipment and rolling stock
Property and Equipment
Property and equipment, gross	$ 373	430
Office property and equipment and rolling stock \| Minimum
Property and Equipment
Estimated Useful Lives (Years)	2 years
Office property and equipment and rolling stock \| Maximum
Property and Equipment
Estimated Useful Lives (Years)	50 years
Construction in progress
Property and Equipment
Property and equipment, gross	$ 238	148
Land and other
Property and Equipment
Property and equipment, gross	$ 324	$ 295

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
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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
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Reference 2: 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2003/role/disclosureRef
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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