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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 | 4 Months Ended | 5 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Apr. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 100.00% | 100.00% | 100.00% | 100.00% | 100.00%
Equinor ASA |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 6.00% | 6.00% | 6.00% | 6.00% | 10.00%
British Petroleum |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 14.00% | 9.00% | 14.00% | 9.00% | 14.00%
Total S.A. |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 4.00% | 14.00% | 0.00% | 9.00% | 5.00%
Other |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 76.00% | 71.00% | 80.00% | 76.00% | 71.00%
Floaters | Equinor ASA |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  |  |  | 45.00%
Floaters | British Petroleum |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 34.00% | 3.00% | 37.00% | 200.00% | 37.00%
Jackups | Equinor ASA |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  |  |  | 55.00%
Jackups | British Petroleum |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Concentration risk, percentage | 25.00% | 24.00% | 17.00% | 24.00% | 19.00%

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