Subsequent Event (Details) (USD $)	0 Months Ended	3 Months Ended	0 Months Ended			1 Months Ended
	Feb. 27, 2013	Mar. 31, 2013 Revolving credit facility Minimum	Apr. 25, 2013 Subsequent event	Apr. 29, 2013 Subsequent event Nabors Delaware Commercial paper	Apr. 30, 2013 Subsequent event Nabors Delaware Commercial paper	Apr. 30, 2013 Subsequent event Nabors Delaware Commercial paper Maximum
Subsequent event
Maximum borrowing capacity					$ 1,500,000,000
Debt instrument, maturity term						397 days
Remaining period to maturity		1 year
Debt issued				$ 200,000,000
Common Stock, Dividends, Per Share, Declared	$ 0.04		$ 0.04