Income (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share for Noble-UK (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 05, 2021	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Basic
Net income (loss), Basic	$ 250,228	$ 101,982	$ 168,948	$ (3,978,459)
Diluted
Net income (loss), Diluted	$ 250,228	$ 101,982	$ 168,948	$ (3,978,459)
Denominator:
Weighted average shares outstanding — basic (in shares)	251,115	63,186	85,055	250,792
Dilutive effect of share-based awards (in shares)	5,456	3,180	3,334	0
Dilutive effect of warrants (in shares)	0	1,262	8,489	0
Dilutive effect of compulsory purchase	0	0	729	0
Weighted average shares outstanding — diluted (in shares)	256,571	67,628	97,607	250,792
Income (loss) per share
Basic earnings (loss) per share (usd per share)	$ 1.00	$ 1.61	$ 1.99	$ (15.86)
Diluted earnings (loss) per share (usd per share)	$ 0.98	$ 1.51	$ 1.73	$ (15.86)