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Supplemental Financial Information Schedule of Revenue by Major Customers, by Reporting Segments (Details) - Revenue Benchmark [Member] - Customer Concentration Risk | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 100.00% | 100.00% | 100.00% | 100.00%
Petrobras S.A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 13.00% | 8.00% | 13.00% | 9.00%
British Petroleum |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 14.00% | 19.00% | 12.00% | 18.00%
Equinor A S A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 6.00% | 9.00% | 6.00% | 10.00%
Other Customers |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 56.00% | 57.00% | 59.00% | 60.00%
Azule Energy |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 11.00% | 7.00% | 10.00% | 3.00%
Floaters |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 51.00% | 60.00% | 54.00% | 62.00%
Floaters | Petrobras S.A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 13.00% | 8.00% | 13.00% | 9.00%
Floaters | British Petroleum |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 5.00% | 12.00% | 4.00% | 9.00%
Floaters | Equinor A S A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 6.00% | 9.00% | 6.00% | 10.00%
Floaters | Other Customers |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 20.00% | 24.00% | 24.00% | 31.00%
Floaters | Azule Energy |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 7.00% | 7.00% | 7.00% | 3.00%
Jackups |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 40.00% | 33.00% | 38.00% | 31.00%
Jackups | Petrobras S.A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 0.00% | 0.00% | 0.00% | 0.00%
Jackups | British Petroleum |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 3.00% | 2.00% | 3.00% | 4.00%
Jackups | Equinor A S A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 0.00% | 0.00% | 0.00% | 0.00%
Jackups | Other Customers |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 33.00% | 31.00% | 32.00% | 27.00%
Jackups | Azule Energy |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 4.00% | 0.00% | 3.00% | 0.00%
Other |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 9.00% | 7.00% | 8.00% | 7.00%
Other | Petrobras S.A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 0.00% | 0.00% | 0.00% | 0.00%
Other | British Petroleum |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 6.00% | 5.00% | 5.00% | 5.00%
Other | Equinor A S A |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 0.00% | 0.00% | 0.00% | 0.00%
Other | Other Customers |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 3.00% | 2.00% | 3.00% | 2.00%
Other | Azule Energy |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |
Concentration risk, percentage | 0.00% | 0.00% | 0.00% | 0.00%

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