Business (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Feb. 09, 2026
$ / shares
|
Sep. 30, 2026
USD ($)
item
$ / shares
|
Sep. 30, 2026
USD ($)
item
$ / shares
|
Dec. 31, 2025
$ / shares
|
|
| Business | ||||
| Number of mobile offshore drilling units | $ | 27 | 27 | ||
| Shares, Par value | $ / shares | $ 0.1 | $ 0.1 | $ 0.1 | |
| Valaris Limited | ||||
| Business | ||||
| Shares, Par value | $ / shares | $ 0.1 | |||
| Share exchange ratio | 15.235 | |||
| Acquisition costs | $ | $ 10,000,000 | $ 27,000,000 | ||
| Acquisition costs tax effect | $ | $ 0 | $ 0 | ||
| Valaris Limited | Valaris Limited | ||||
| Business | ||||
| Shares, Par value | $ / shares | $ 0.01 | |||
| Ultra-deepwater floaters | ||||
| Business | ||||
| Number of mobile offshore drilling units | item | 20 | 20 | ||
| Harsh environment floaters | ||||
| Business | ||||
| Number of mobile offshore drilling units | item | 7 | 7 |