v3.23.1
Related Party Transactions - Transactions with Other Related Parties (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]      
General and administrative expenses $ 36.8 $ 34.7 $ 49.1
Rig operating and maintenance expenses 264.9 180.5 270.4
Operating expenses 549.9 334.8 514.5
Additional paid in capital 2,265.6 1,978.0  
Affiliated Entity      
Related Party Transaction [Line Items]      
Operating expenses 0.5 0.9 7.9
Additional paid in capital 1.6 0.0 0.0
Affiliated Entity | Magni Partners Limited      
Related Party Transaction [Line Items]      
General and administrative expenses 0.5 0.9 1.0
Additional paid in capital 1.6 0.0 0.0
Affiliated Entity | Schlumberger Limited      
Related Party Transaction [Line Items]      
Rig operating and maintenance expenses $ 0.0 $ 0.0 $ 6.9
Affiliated Entity | Schlumberger Limited | Borr Drilling Limited      
Related Party Transaction [Line Items]      
Ownership percentage, non-controlling 3.30%