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Debt (Details Textuals) (USD $)
6 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2011
0.94% Senior Exchangeable Notes Due May 2011 [Member]
Jun. 30, 2011
6.15% Senior Notes Due February 2018 [Member]
Jun. 30, 2011
9.25% Senior Notes Due January 2019 [Member]
Jun. 30, 2011
5.375% Senior Notes Due August 2012 [Member]
Jun. 30, 2011
5.00% senior notes due September 2020 [Member]
Jun. 30, 2011
Revolving Credit Facility [Member]
Dec. 31, 2010
Revolving Credit Facility [Member]
Jun. 30, 2011
New Facility [Member]
Jun. 30, 2011
Nabors Delaware (Issuer/Guarantor) [Member]
Jun. 30, 2011
Consolidated Subsidiary [Member]
Debt (Textuals) [Abstract]                      
Interest rate on senior note due   0.94% 6.15% 9.25% 5.375% 5.00%          
Remaining aggregate principal amount   $ 1,400,000,000                  
Borrowings under revolving credit facilities   1,200,000,000                  
Weighted average interest rate on revolving credit facilities             1.80%        
Increase in aggregate principal amount of commitments                 200,000,000    
Unsecured revolving credit facility             1,400,000,000        
Unsecured revolving credit facility borrowing capacity             200,000,000        
Revolving Credit facility Interest Rate Description                 Borrowings under the senior unsecured revolving credit facilities bear interest, at Nabor’s option, for either (x) the “Base Rate” (as defined below) plus the applicable interest margin, calculated on the basis of the actual number of days elapsed in a year of 365 days and payable quarterly in arrears or (y) interest periods of one, two, three or six months at an annual rate equal to the LIBOR for the corresponding deposits of U.S. dollars, plus the applicable interest margin.    
Revolving Credit facility Base Rate Description                 The “Base Rate” is defined, for any day, as a fluctuating rate per annum equal to the highest of (i) the Federal Funds Rate, as published by the Federal Reserve Bank of New York, plus 1/2 of 1%, (ii) the prime commercial lending rate of the administrative agent, as established from time to time and (iii) LIBOR for an interest period of one month beginning on such day plus 1%    
Additional unsecured revolving credit facility $ 1,150,000,000           $ 2,103,000 $ 2,676,000   $ 1,350,000,000 $ 50,000,000
Maturity period of revolving credit facility September, 2014