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Cash and Cash Equivalents (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Cash and Cash Equivalents [Abstract] |  |  |
Increase (Decrease) in Accounts Receivable | $ 212 | $ (212) | $ 34
Increase (Decrease) in Accounts Receivable, Related Parties | 0 | 20 | (5)
Inventories, net | (275) | (265) | (182)
Increase (Decrease) in Other Current Assets | (30) | 43 | 47
Increase (Decrease) in Other Noncurrent Assets | (255) | 357 | (101)
Accounts payable | 129 | 29 | 61
Increase (Decrease) in Accounts Payable, Related Parties | (86) | (66) | 43
Increase (Decrease) in Other Accrued Liabilities | (76) | (106) | (18)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital | (381) | (200) | (121)
Cash and Cash Equivalents [Line Items] |  |  |
Senior notes redeemed and issued in an exchange transaction | 3,654 | 0 | 0
Interest Paid, Excluding Capitalized Interest, Operating Activity | 434 | 339 | 202
Joint Venture Formation, Fair Value of Joint Venture | 0 | 1,159 | 0
Lease assets obtained in exchange for new lease liabilities | 280 | 3 | 0
NuStar Acquisition |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Stock Issued During Period, Value, Acquisitions | $ 4,038 | $ 2,850 | $ 0

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- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The increase (decrease) during the reporting period in the obligations due for goods and services provided by the following types of related parties: a parent company and its subsidiaries, subsidiaries of a common parent, an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The increase (decrease) during the reporting period in the amount due to the reporting entity for good and services provided to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, member of their immediate families, affiliates, or other parties with the ability to exert significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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