Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 725,722	$ 512,245
Accounts receivable, net	319,152	498,931
Taxes receivable	55,480	55,525
Prepaid expenses and other current assets	92,260	173,917
Total current assets	1,192,614	1,240,618
Property and equipment, at cost	12,364,888	14,056,323
Accumulated depreciation	(2,302,940)	(2,572,700)
Property and equipment, net	10,061,948	11,483,623
Other assets	185,555	141,404
Total assets	11,440,117	12,865,645
Current liabilities
Current maturities of long-term debt	299,882	299,924
Accounts payable	108,224	223,221
Accrued payroll and related costs	48,383	81,464
Taxes payable	46,561	87,940
Interest payable	61,299	72,961
Other current liabilities	68,944	98,074
Total current liabilities	633,293	863,584
Long-term debt	4,040,229	4,162,638
Deferred income taxes	2,084	92,797
Other liabilities	297,066	324,396
Total liabilities	4,972,672	5,443,415
Commitments and contingencies
Equity
Shares; 243,239 and 241,977 shares outstanding	2,432	2,420
Additional paid-in capital	654,168	628,483
Retained earnings	5,154,221	6,131,501
Accumulated other comprehensive loss	(52,140)	(63,175)
Total shareholders’ equity	5,758,681	6,699,229
Noncontrolling interests	708,764	723,001
Total equity	6,467,445	7,422,230
Total liabilities and equity	11,440,117	12,865,645
Noble Corp [Member]
Current assets
Cash and cash equivalents	653,833	511,795
Accounts receivable, net	319,152	498,931
Taxes receivable	55,480	55,442
Prepaid expenses and other current assets	88,749	168,469
Total current assets	1,117,214	1,234,637
Property and equipment, at cost	12,364,888	14,054,558
Accumulated depreciation	(2,302,940)	(2,572,331)
Property and equipment, net	10,061,948	11,482,227
Other assets	178,552	132,319
Total assets	11,357,714	12,849,183
Current liabilities
Current maturities of long-term debt	299,882	299,924
Accounts payable	107,868	221,077
Accrued payroll and related costs	48,319	81,364
Taxes payable	46,561	88,108
Interest payable	61,299	72,961
Other current liabilities	67,312	96,331
Total current liabilities	631,241	859,765
Long-term debt	4,040,229	4,162,638
Deferred income taxes	2,084	92,797
Other liabilities	292,183	319,512
Total liabilities	4,965,737	5,434,712
Commitments and contingencies
Equity
Shares; 243,239 and 241,977 shares outstanding	26,125	26,125
Additional paid-in capital	594,091	561,309
Retained earnings	5,115,137	6,167,211
Accumulated other comprehensive loss	(52,140)	(63,175)
Total shareholders’ equity	5,683,213	6,691,470
Noncontrolling interests	708,764	723,001
Total equity	6,391,977	7,414,471
Total liabilities and equity	$ 11,357,714	$ 12,849,183