XML 126 R119.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and contingencies (Details)
$ in Millions
1 Months Ended 6 Months Ended 12 Months Ended 30 Months Ended
Jun. 28, 2019
Mar. 31, 2019
rig
Jun. 30, 2021
USD ($)
contract
Dec. 31, 2020
USD ($)
Jun. 30, 2021
USD ($)
contract
Guarantor Obligations [Line Items]          
Number of newbuilding contracts cancelled | contract     8   8
Number of rigs included in legal proceedings | rig   8      
Costs to repair equipment     $ 23.0    
Insurance deductible     1.3    
Recovered from insurance         $ 15.3
Insurance receivable     $ 6.4 $ 4.0 $ 6.4
Insurance Recoveries, Loss Of Hire       $ 19.0  
Nigeria | Seadrill Mobile Units (Nigeria) Ltd          
Guarantor Obligations [Line Items]          
Contract revenue, surcharge 2.00%