Supplemental Financial Information - Effect of Changes in Other Assets and Liabilities on Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Capital [Line Items]
Total net change in assets and liabilities	$ (46,557)	$ (58,217)
Noble-UK
Operating Capital [Line Items]
Accounts receivable	(10,152)	(11,007)
Other current assets	15,164	17,097
Other assets	2,235	3,700
Accounts payable	(9,001)	(1,867)
Other current liabilities	(36,097)	(59,685)
Other liabilities	(8,706)	(6,455)
Total net change in assets and liabilities	(46,557)	(58,217)
Noble-Cayman
Operating Capital [Line Items]
Accounts receivable	(10,152)	(11,007)
Other current assets	14,667	16,803
Other assets	2,807	4,506
Accounts payable	(9,194)	(1,676)
Other current liabilities	(36,128)	(59,544)
Other liabilities	(13,328)	(6,455)
Total net change in assets and liabilities	$ (51,328)	$ (57,373)