Supplemental Financial Information - Additional Information (Details) - USD ($) shares in Thousands, $ in Thousands				12 Months Ended
	Oct. 03, 2022	Apr. 15, 2021	Feb. 05, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Supplemental Financial Information [Line Items]
Capital expenditures incurred but not yet paid				$ 196,400	$ 36,500	$ 35,300
Settlement of Compulsory Purchase Interest				123,754
Additional Paid-in Capital
Schedule Of Supplemental Financial Information [Line Items]
Settlement of Compulsory Purchase Interest				123,754
Pacific Drilling
Schedule Of Supplemental Financial Information [Line Items]
Number of shares received by acquiree (in shares)		16,600
Total purchase price consideration		$ 357,662
Net assets acquired		$ 419,967
Maersk Drilling Merger
Schedule Of Supplemental Financial Information [Line Items]
Number of shares received by acquiree (in shares)	60,100
Total purchase price consideration	$ 2,000,873
Net assets acquired	1,974,857
Fair value of Noble shares transferred to legacy Maersk shareholders	$ 1,793,351
Settlement of Compulsory Purchase Interest (in shares)	4,100
Compulsory purchase, cash payment	$ 69,900
Maersk Drilling Merger | Additional Paid-in Capital
Schedule Of Supplemental Financial Information [Line Items]
Settlement of Compulsory Purchase Interest				$ 123,800
Second Lien Notes Indenture | Participants in the Rights Offering | Ordinary Shares Of Noble (New Shares)
Schedule Of Supplemental Financial Information [Line Items]
Plan of reorganization, shares issued, subscription price			$ 200,000
Second Lien Notes Indenture | Secured Debt
Schedule Of Supplemental Financial Information [Line Items]
Debtor-in-possession financing, amount arranged			216,000
Debtor-in-possession financing, backstop fee			$ 16,000