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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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Disputes, Litigation and Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			2 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 25, 2014	Jan. 29, 2014
Loss Contingencies [Line Items]
Loss contingency accrual, provision	$ 0us-gaap_LossContingencyAccrualProvision	$ 153us-gaap_LossContingencyAccrualProvision	$ 100us-gaap_LossContingencyAccrualProvision
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				253
Period of time expected to be monitored for assessing company's compliance upon settlement		18 months
Dobina v. Weatherford International Ltd., et al. [Member] \| Subsequent Event [Member] \| Material Weakness in Internal Controls [Member]
Loss Contingencies [Line Items]
Payments for legal settlements					$ 53