Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 461,678	$ 662,829
Accounts receivable, net	181,804	204,696
Taxes receivable	21,530	105,345
Prepaid expenses and other current assets	55,448	66,105
Total current assets	720,460	1,038,975
Property and equipment, at cost	12,072,297	12,034,331
Accumulated depreciation	(2,673,437)	(2,545,091)
Property and equipment, net	9,398,860	9,489,240
Other assets	148,803	266,444
Total assets	10,268,123	10,794,659
Current liabilities
Current maturities of long-term debt	0	249,843
Accounts payable	94,275	84,032
Accrued payroll and related costs	35,473	54,904
Taxes payable	29,345	34,391
Interest payable	67,649	98,189
Other current liabilities	67,708	71,665
Total current liabilities	294,450	593,024
Long-term debt	3,841,350	3,795,867
Deferred income taxes	181,573	164,962
Other liabilities	291,965	290,178
Total liabilities	4,609,338	4,844,031
Commitments and contingencies (Note 14)
Shareholders' equity
Common stock	2,464	2,450
Additional paid-in capital	681,883	678,922
Retained earnings	4,351,061	4,637,677
Accumulated other comprehensive loss	(47,437)	(42,888)
Total shareholders' equity	4,987,971	5,276,161
Noncontrolling interests	670,814	674,467
Total equity	5,658,785	5,950,628
Total liabilities and equity	10,268,123	10,794,659
Noble Corp
Current assets
Cash and cash equivalents	460,831	662,011
Accounts receivable, net	181,804	204,696
Taxes receivable	21,530	105,345
Prepaid expenses and other current assets	55,070	65,441
Total current assets	719,235	1,037,493
Property and equipment, at cost	12,072,297	12,034,331
Accumulated depreciation	(2,673,437)	(2,545,091)
Property and equipment, net	9,398,860	9,489,240
Other assets	148,887	266,528
Total assets	10,266,982	10,793,261
Current liabilities
Current maturities of long-term debt	0	249,843
Accounts payable	94,115	83,873
Accrued payroll and related costs	35,551	54,904
Taxes payable	28,919	33,965
Interest payable	67,649	98,189
Other current liabilities	67,625	71,466
Total current liabilities	293,859	592,240
Long-term debt	3,841,350	3,795,867
Deferred income taxes	181,573	164,962
Other liabilities	291,965	290,178
Total liabilities	4,608,747	4,843,247
Commitments and contingencies (Note 14)
Shareholders' equity
Common stock	26,125	26,125
Additional paid-in capital	629,419	623,137
Retained earnings	4,379,314	4,669,173
Accumulated other comprehensive loss	(47,437)	(42,888)
Total shareholders' equity	4,987,421	5,275,547
Noncontrolling interests	670,814	674,467
Total equity	5,658,235	5,950,014
Total liabilities and equity	$ 10,266,982	$ 10,793,261