Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating revenues
Revenue from contract with customer	$ 281,311	$ 282,888
Operating costs and expenses
Depreciation and amortization	103,681	109,578
General and administrative	17,839	15,999
Loss on impairment	1,119,517	0
Total operating costs and expenses	1,413,866	306,700
Operating loss	(1,132,555)	(23,812)
Other income (expense)
Interest expense, net of amounts capitalized	(70,880)	(70,244)
Gain on extinguishment of debt, net	0	31,266
Interest income and other, net	(2,282)	2,506
Loss from continuing operations before income taxes	(1,205,717)	(60,284)
Income tax benefit (provision)	143,040	(2,865)
Net loss from continuing operations	(1,062,677)	(63,149)
Net loss from discontinued operations, net of tax	0	(3,821)
Net loss	(1,062,677)	(66,970)
Net income attributable to noncontrolling interests	0	(3,919)
Net income (loss) attributable to parent	(1,062,677)	(70,889)
Net loss from continuing operations	(1,062,677)	(67,068)
Net loss from discontinued operations, net of tax	0	(3,821)
Net income (loss) attributable to parent	$ (1,062,677)	$ (70,889)
Basic:
Loss from continuing operations (usd per share)	$ (4.25)	$ (0.27)
Loss from discontinued operations (usd per share)	0	(0.02)
Net loss attributable to shareholders (usd per share)	(4.25)	(0.29)
Diluted:
Loss from continuing operations (usd per share)	(4.25)	(0.27)
Loss from discontinued operations (usd per share)	0	(0.02)
Net loss attributable to shareholders (usd per share)	$ (4.25)	$ (0.29)
Noble Corp
Operating revenues
Revenue from contract with customer	$ 281,311	$ 282,888
Operating costs and expenses
Depreciation and amortization	103,109	108,772
General and administrative	6,751	7,595
Loss on impairment	1,119,517	0
Total operating costs and expenses	1,401,902	296,624
Operating loss	(1,120,591)	(13,736)
Other income (expense)
Interest expense, net of amounts capitalized	(70,880)	(70,244)
Gain on extinguishment of debt, net	0	31,266
Interest income and other, net	(2,294)	2,506
Loss from continuing operations before income taxes	(1,193,765)	(50,208)
Income tax benefit (provision)	143,040	(2,865)
Net loss from continuing operations	(1,050,725)	(53,073)
Net loss from discontinued operations, net of tax	0	(3,821)
Net loss	(1,050,725)	(56,894)
Net income attributable to noncontrolling interests	0	(3,919)
Net income (loss) attributable to parent	(1,050,725)	(60,813)
Net income (loss) attributable to parent	(1,050,725)	(60,813)
Contract drilling services
Operating revenues
Revenue from contract with customer	267,364	270,501
Operating costs and expenses
Cost of services	161,145	171,728
Contract drilling services | Noble Corp
Operating revenues
Revenue from contract with customer	267,364	270,501
Operating costs and expenses
Cost of services	160,841	170,862
Reimbursables and other
Operating revenues
Revenue from contract with customer	13,947	12,387
Operating costs and expenses
Cost of services	11,684	9,395
Reimbursables and other | Noble Corp
Operating revenues
Revenue from contract with customer	13,947	12,387
Operating costs and expenses
Cost of services	$ 11,684	$ 9,395