Subsequent Events (Details) (USD $)	1 Months Ended	12 Months Ended	0 Months Ended	1 Months Ended
	Jul. 31, 2014	Dec. 31, 2014	Feb. 20, 2015	Feb. 28, 2015	Dec. 31, 2013
Subsequent event
Unsecured term loan facility		$ 4,355,049,000			$ 3,914,302,000
Dividend declared (in dollars per share)	$ 0.06	$ 0.04
Subsequent event
Subsequent event
Increase in borrowing capacity				525,000,000
Dividend declared (in dollars per share)			$ 0.06
Proceeds from assets disposal or issuance Of debt or equity				70,000,000
Subsequent event | Revolving Credit Facility
Subsequent event
Increase in borrowing capacity				225,000,000
Subsequent event | Nabors Industries Inc
Subsequent event
Unsecured term loan facility				$ 300,000,000
Term loan facility maturity period				3 years