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Employee Benefit Plans - Additional Information (Details) - USD ($)
1 Months Ended 11 Months Ended 12 Months Ended
Feb. 05, 2021
Dec. 31, 2021
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]          
Expected amortization in next fiscal year     $ 0    
Market cycle minimum period in which objective should be met over     5 years    
Market cycle maximum period in which objective should be met over     7 years    
Number of shares included in equity securities     0 0  
Costs for maintaining contribution plans $ 1,600,000 $ 29,800,000 $ 34,000,000 $ 34,200,000  
Restoration Plan          
Defined Benefit Plan Disclosure [Line Items]          
Liability under the restoration plan   2,800,000     $ 2,800,000
Noble Drilling Corporation Profit Sharing Plan          
Defined Benefit Plan Disclosure [Line Items]          
Number of years of service for the participants in the plan to become fully vested     3 years    
Plan participants’ contributions 0 0 $ 0 0  
Equity securities          
Defined Benefit Plan Disclosure [Line Items]          
Percentage of company's overall investments     75.00%    
Debt security          
Defined Benefit Plan Disclosure [Line Items]          
Percentage of company's overall investments     6.00%    
Cash holdings          
Defined Benefit Plan Disclosure [Line Items]          
Percentage of company's overall investments     19.00%    
Non-US          
Defined Benefit Plan Disclosure [Line Items]          
Projected benefit obligation     $ 0 0  
Accumulated benefit obligation     $ 0 0  
Defined benefit plan, investment within plan asset category, de-risking basis of gilts, percentage     0.20%    
Defined benefit plan, investment within plan asset category, minimum outperformance versus cash, percentage     4.00%    
Employer contributions     $ 0 0 0
Expected contribution to non-U.S. and U.S pension plans     $ 0    
Non-US | Equity securities          
Defined Benefit Plan Disclosure [Line Items]          
Percentage of company's overall investments     20.00%    
Non-US | Debt security          
Defined Benefit Plan Disclosure [Line Items]          
Percentage of company's overall investments     80.00%    
US plans          
Defined Benefit Plan Disclosure [Line Items]          
Increase (decrease) in pension liability     $ 800,000 900,000 $ 700,000
Projected benefit obligation     179,346,000 151,564,000  
Accumulated benefit obligation     179,346,000 151,564,000  
Employer contributions $ 2,300,000 $ 5,200,000 187,000 376,000  
Expected contribution to non-U.S. and U.S pension plans     100,000    
US plans | Unfunded excess benefit plan          
Defined Benefit Plan Disclosure [Line Items]          
Projected benefit obligation     800,000 900,000  
Accumulated benefit obligation     $ 800,000 $ 900,000