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Disputes, Litigation and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
 2 Months Ended 12 Months Ended 3 Months Ended
Feb. 25, 2014
Dec. 31, 2013
Mar. 31, 2014
U.S. District Court for the Southern District of Texas v. Weatherford International Ltd. [Member] | Oil-for-Food Program and Foreign Corrupt Practices Act [Member]      
Loss Contingencies [Line Items]      
Payments for legal settlements $ 253us-gaap_PaymentsForLegalSettlements
/ us-gaap_LitigationCaseAxis
= wft_U.S.DistrictCourtfortheSouthernDistrictofTexasv.WeatherfordInternationalLtd.Member
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= wft_OilforFoodProgramandForeignCorruptPracticesActMember		    
Period of time expected to be monitored for assessing company's compliance upon settlement   18 months  
Dobina v. Weatherford International Ltd., et al. [Member] | Material Weakness in Internal Controls [Member]      
Loss Contingencies [Line Items]      
Payments for legal settlements     $ 53us-gaap_PaymentsForLegalSettlements
/ us-gaap_LitigationCaseAxis
= wft_Dobinav.WeatherfordInternationalLtd.etal.Member
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= wft_MaterialWeaknessinInternalControlsMember