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Related party transactions (Tables) | 3 Months Ended
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Mar. 31, 2026
Related Party Transactions [Abstract] |
Schedule of related party transactions | Our related party revenues include the following:
|  | Three months ended March 31, |  |  |  |
(In $ millions) |  | 2026 |  | 2025 |  |  |  |  |  |
Management fees revenues (a) |  | 60 |  |  | 58 |  |  |  |  |  |  |
Add-on services |  | 3 |  |  | 3 |  |  |  |  |  |  |
Reimbursable revenues (b) |  | 4 |  |  | 10 |  |  |  |  |  |  |
Leasing revenues (c) |  | 8 |  |  | 8 |  |  |  |  |  |  |
Total related party operating revenues |  | 75 |  |  | 79 |  |  |  |  |  |  |
(a) Seadrill provides management and administrative services an d operational and technical support services to Sonadrill. These services are charged on a dayrate basis. (b) Reimbursable revenues primarily relate to Sonadrill project work on the Libongos, Quenguela and West Gemini rigs. (c) We earned leasing revenues on the charter of the West Gemini to Sonadrill.

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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