Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities
Net loss	$ (922,566)	$ (1,099,710)
Adjustments to reconcile net loss to net cash flow from operating activities:
Depreciation and amortization	333,481	372,304
Loss on impairment	595,510	792,843
(Gain) loss on extinguishment of debt, net	(30,616)	8,659
Deferred income taxes	(13,688)	(10,965)
Amortization of share-based compensation	10,422	18,665
Other costs, net	66,276	3,482
Change in taxes receivable	(12,379)	40,859
Net changes in other operating assets and liabilities	(57,914)	(82,821)
Net cash provided by (used in) operating activities	(31,474)	43,316
Cash flows from investing activities
Capital expenditures	(222,587)	(149,329)
Proceeds from disposal of assets, net	9,430	4,135
Net cash used in investing activities	(213,157)	(145,194)
Cash flows from financing activities
Issuance of senior notes	0	750,000
Borrowings on credit facilities	455,000	0
Repayments of credit facilities	(20,000)	0
Repayments of debt	(400,000)	(952,477)
Debt issuance costs	(1,092)	(15,327)
Dividends paid to noncontrolling interests	(25,109)	(12,694)
Taxes withheld on employee stock transactions	(2,779)	(3,458)
Net cash provided by (used in) financing activities	6,020	(233,956)
Net decrease in cash, cash equivalents and restricted cash	(238,611)	(335,834)
Cash, cash equivalents and restricted cash, beginning of period	375,907	662,829
Cash, cash equivalents and restricted cash, end of period	137,296	326,995
Noble Corp
Cash flows from operating activities
Net loss	(794,207)	(1,066,872)
Adjustments to reconcile net loss to net cash flow from operating activities:
Depreciation and amortization	331,485	368,939
Loss on impairment	595,510	792,843
(Gain) loss on extinguishment of debt, net	(30,616)	8,659
Deferred income taxes	(13,688)	(10,965)
Amortization of share-based compensation	10,386	18,628
Other costs, net	(33,724)	3,482
Change in taxes receivable	(12,379)	40,859
Net changes in other operating assets and liabilities	(56,773)	(78,461)
Net cash provided by (used in) operating activities	(4,006)	77,112
Cash flows from investing activities
Capital expenditures	(222,587)	(149,329)
Proceeds from disposal of assets, net	9,430	4,135
Net cash used in investing activities	(213,157)	(145,194)
Cash flows from financing activities
Issuance of senior notes	0	750,000
Borrowings on credit facilities	455,000	0
Repayments of credit facilities	(20,000)	0
Repayments of debt	(400,000)	(952,477)
Debt issuance costs	(1,092)	(15,327)
Dividends paid to noncontrolling interests	(25,109)	(12,694)
Distributions to parent company, net	(29,441)	(37,241)
Net cash provided by (used in) financing activities	(20,642)	(267,739)
Net decrease in cash, cash equivalents and restricted cash	(237,805)	(335,821)
Cash, cash equivalents and restricted cash, beginning of period	375,050	662,011
Cash, cash equivalents and restricted cash, end of period	$ 137,245	$ 326,190