Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 608,763	$ 725,722
Accounts receivable, net	202,533	319,152
Taxes receivable	55,394	55,480
Prepaid expenses and other current assets	74,599	92,260
Total current assets	941,289	1,192,614
Property and equipment, at cost	12,421,765	12,364,888
Accumulated depreciation	(2,709,498)	(2,302,940)
Property and equipment, net	9,712,267	10,061,948
Other assets	244,663	185,555
Total assets	10,898,219	11,440,117
Current liabilities
Current maturities of long-term debt	249,652	299,882
Accounts payable	83,986	108,224
Accrued payroll and related costs	46,844	48,383
Taxes payable	53,629	46,561
Interest payable	64,280	61,299
Other current liabilities	96,870	68,944
Total current liabilities	595,261	633,293
Long-term debt	3,795,327	4,040,229
Deferred income taxes	253,444	2,084
Other liabilities	289,330	297,066
Total liabilities	4,933,362	4,972,672
Commitments and contingencies (Note 12)
Shareholders' equity
Common stock	2,450	2,432
Additional paid-in capital	671,605	654,168
Retained earnings	4,662,468	5,154,221
Accumulated other comprehensive loss	(49,561)	(52,140)
Total shareholders' equity	5,286,962	5,758,681
Noncontrolling interests	677,895	708,764
Total equity	5,964,857	6,467,445
Total liabilities and equity	10,898,219	11,440,117
Noble Corp [Member]
Current assets
Cash and cash equivalents	607,958	653,833
Accounts receivable, net	202,533	319,152
Taxes receivable	55,394	55,480
Prepaid expenses and other current assets	73,649	88,749
Total current assets	939,534	1,117,214
Property and equipment, at cost	12,421,765	12,364,888
Accumulated depreciation	(2,709,498)	(2,302,940)
Property and equipment, net	9,712,267	10,061,948
Other assets	244,748	178,552
Total assets	10,896,549	11,357,714
Current liabilities
Current maturities of long-term debt	249,652	299,882
Accounts payable	83,875	107,868
Accrued payroll and related costs	46,844	48,319
Taxes payable	53,203	46,561
Interest payable	64,280	61,299
Other current liabilities	96,788	67,312
Total current liabilities	594,642	631,241
Long-term debt	3,795,327	4,040,229
Deferred income taxes	253,444	2,084
Other liabilities	289,330	292,183
Total liabilities	4,932,743	4,965,737
Commitments and contingencies (Note 12)
Shareholders' equity
Common stock	26,125	26,125
Additional paid-in capital	615,822	594,091
Retained earnings	4,693,525	5,115,137
Accumulated other comprehensive loss	(49,561)	(52,140)
Total shareholders' equity	5,285,911	5,683,213
Noncontrolling interests	677,895	708,764
Total equity	5,963,806	6,391,977
Total liabilities and equity	$ 10,896,549	$ 11,357,714