Unaudited Condensed Consolidated Financial Statements (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Feb. 09, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Business Combination [Line Items] | |||||
| Business Combination, Acquisition-Related Cost, Expense | $ 15.5 | $ 0.0 | $ 40.5 | $ 0.0 | |
| Transocean Ltd. | |||||
| Business Combination [Line Items] | |||||
| Business Combination, Consideration Transferred, Equity Interest Issued And Issuable | 15.235 | ||||
| Business Combination, Voting Equity Interest Acquired, Percentage | 47.00% | ||||
| Business Combination, Termination Fees | $ 173.0 | ||||
| Transocean Ltd. | Transocean Ltd. | |||||
| Business Combination [Line Items] | |||||
| Business Combination, Voting Equity Interest Acquired, Percentage | 53.00% | ||||
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Business Combination, Consideration Transferred, Equity Interest Issued And Issuable No definition available.
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- Definition Business Combination, Termination Fees No definition available.
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- Definition Business Combination, Voting Equity Interest Acquired, Percentage No definition available.
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