XML 128 R58.htm IDEA: XBRL DOCUMENT v2.4.1.9
Assets Held-for-Sale and Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Assets held-for-sale    
Assets held for sale $ 146,467us-gaap_AssetsHeldForSaleCurrent $ 243,264us-gaap_AssetsHeldForSaleCurrent
Oil and Gas    
Assets held-for-sale    
Assets held for sale 146,467us-gaap_AssetsHeldForSaleCurrent
/ us-gaap_StatementBusinessSegmentsAxis
= nbr_OilAndGasMember		 239,936us-gaap_AssetsHeldForSaleCurrent
/ us-gaap_StatementBusinessSegmentsAxis
= nbr_OilAndGasMember
Rig Services    
Assets held-for-sale    
Assets held for sale   $ 3,328us-gaap_AssetsHeldForSaleCurrent
/ us-gaap_StatementBusinessSegmentsAxis
= nbr_RigServicesMember