Income (Loss) Per Share - Computation of Basic and Diluted Income (Loss) Per Share for Noble-UK (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net income (loss)	$ 158,323	$ 33,585	$ 332,202	$ 33,986
Denominator:
Weighted average shares outstanding - basic (in shares)	139,400	70,318	137,478	69,260
Dilutive effect of share-based awards (in shares)	3,204	3,388	3,204	3,388
Dilutive effect of warrants (in shares)	3,117	8,220	4,339	8,718
Weighted average shares outstanding - diluted (in shares)	145,721	81,926	145,021	81,366
Basic
Net income (loss) (in usd per share)	$ 1.14	$ 0.48	$ 2.42	$ 0.49
Diluted
Net income (loss) (in usd per share)	$ 1.09	$ 0.41	$ 2.29	$ 0.42