Condensed Consolidating Financial Statements (Condensed Consolidating Statement of Cash Flows) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	$ (107,000,000)	$ (32,000,000)
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	0	0
Equity in (Earnings) Loss of Affiliates	0	0
Deferred Income Tax Provision (Benefit)	(36,000,000)	44,000,000
Other Adjustments	101,000,000	(418,000,000)
Net Cash Used in Operating Activities	(42,000,000)	(406,000,000)
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	(224,000,000)	(286,000,000)
Acquisition of Intellectual Property	0	(2,000,000)
Proceeds from Sale of Assets and Businesses, Net	3,000,000	14,000,000
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities	(221,000,000)	(274,000,000)
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	479,000,000	625,000,000
Borrowings (Repayments) Long-term Debt, Net	(154,000,000)	(17,000,000)
Borrowings (Repayments) Between Subsidiaries, Net	0	0
Other, Net	(18,000,000)	(3,000,000)
Net Cash Provided by Financing Activities	307,000,000	605,000,000
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(6,000,000)	7,000,000
Net Increase in Cash and Cash Equivalents	38,000,000	(68,000,000)
Cash and Cash Equivalents at Beginning of Period	474,000,000	435,000,000
Cash and Cash Equivalents at End of Period	512,000,000	367,000,000
Weatherford Switzerland [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss		(41,000,000)
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary		0
Equity in (Earnings) Loss of Affiliates		21,000,000
Deferred Income Tax Provision (Benefit)		0
Other Adjustments		45,000,000
Net Cash Used in Operating Activities		25,000,000
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment		0
Acquisition of Intellectual Property		0
Proceeds from Sale of Assets and Businesses, Net		0
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities		0
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net		0
Borrowings (Repayments) Long-term Debt, Net		0
Borrowings (Repayments) Between Subsidiaries, Net		(19,000,000)
Other, Net		(2,000,000)
Net Cash Provided by Financing Activities		(21,000,000)
Effect of Exchange Rate Changes on Cash and Cash Equivalents		0
Net Increase in Cash and Cash Equivalents		4,000,000
Cash and Cash Equivalents at Beginning of Period		0
Cash and Cash Equivalents at End of Period		4,000,000
Weatherford Ireland [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	(118,000,000)
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	0
Equity in (Earnings) Loss of Affiliates	111,000,000
Deferred Income Tax Provision (Benefit)	0
Other Adjustments	(6,000,000)
Net Cash Used in Operating Activities	(13,000,000)
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	0
Proceeds from Sale of Assets and Businesses, Net	0
Net Cash Used in Investing Activities	0
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	0
Borrowings (Repayments) Long-term Debt, Net	0
Borrowings (Repayments) Between Subsidiaries, Net	12,000,000
Other, Net	0
Net Cash Provided by Financing Activities	12,000,000
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0
Net Increase in Cash and Cash Equivalents	(1,000,000)
Cash and Cash Equivalents at Beginning of Period	1,000,000
Cash and Cash Equivalents at End of Period	0
Weatherford Bermuda [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	(64,000,000)	7,319,000,000
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	15,000,000	(7,348,000,000)
Equity in (Earnings) Loss of Affiliates	(75,000,000)	(80,000,000)
Deferred Income Tax Provision (Benefit)	0	0
Other Adjustments	136,000,000	(322,000,000)
Net Cash Used in Operating Activities	12,000,000	(431,000,000)
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	0	0
Acquisition of Intellectual Property		0
Proceeds from Sale of Assets and Businesses, Net	0	0
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities	0	0
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	498,000,000	635,000,000
Borrowings (Repayments) Long-term Debt, Net	(147,000,000)	0
Borrowings (Repayments) Between Subsidiaries, Net	(329,000,000)	(204,000,000)
Other, Net	0	0
Net Cash Provided by Financing Activities	22,000,000	431,000,000
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	0
Net Increase in Cash and Cash Equivalents	34,000,000	0
Cash and Cash Equivalents at Beginning of Period	0	0
Cash and Cash Equivalents at End of Period	34,000,000	0
Weatherford Delaware [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	(33,000,000)	1,000,000
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	0	0
Equity in (Earnings) Loss of Affiliates	25,000,000	(11,000,000)
Deferred Income Tax Provision (Benefit)	(5,000,000)	0
Other Adjustments	27,000,000	(2,000,000)
Net Cash Used in Operating Activities	14,000,000	(12,000,000)
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	0	0
Acquisition of Intellectual Property		0
Proceeds from Sale of Assets and Businesses, Net	0	0
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities	0	0
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	0	0
Borrowings (Repayments) Long-term Debt, Net	(1,000,000)	(3,000,000)
Borrowings (Repayments) Between Subsidiaries, Net	(13,000,000)	(7,000,000)
Other, Net	0	22,000,000
Net Cash Provided by Financing Activities	(14,000,000)	12,000,000
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	0
Net Increase in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of Period	22,000,000	0
Cash and Cash Equivalents at End of Period	22,000,000	0
Other Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	47,000,000	(7,241,000,000)
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	(15,000,000)	7,348,000,000
Equity in (Earnings) Loss of Affiliates	0	0
Deferred Income Tax Provision (Benefit)	(31,000,000)	44,000,000
Other Adjustments	(56,000,000)	(139,000,000)
Net Cash Used in Operating Activities	(55,000,000)	12,000,000
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	(224,000,000)	(286,000,000)
Acquisition of Intellectual Property		(2,000,000)
Proceeds from Sale of Assets and Businesses, Net	3,000,000	14,000,000
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities	(221,000,000)	(274,000,000)
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	(19,000,000)	(10,000,000)
Borrowings (Repayments) Long-term Debt, Net	(6,000,000)	(14,000,000)
Borrowings (Repayments) Between Subsidiaries, Net	330,000,000	230,000,000
Other, Net	(18,000,000)	(23,000,000)
Net Cash Provided by Financing Activities	287,000,000	183,000,000
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(6,000,000)	7,000,000
Net Increase in Cash and Cash Equivalents	5,000,000	(72,000,000)
Cash and Cash Equivalents at Beginning of Period	451,000,000	435,000,000
Cash and Cash Equivalents at End of Period	456,000,000	363,000,000
Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Loss	61,000,000	(70,000,000)
Cash Flows from Operating Activities:
Charges from Parent or Subsidiary	0	0
Equity in (Earnings) Loss of Affiliates	(61,000,000)	70,000,000
Deferred Income Tax Provision (Benefit)	0	0
Other Adjustments	0	0
Net Cash Used in Operating Activities	0	0
Cash Flows from Investing Activities:
Capital Expenditures for Property, Plant and Equipment	0	0
Acquisition of Intellectual Property		0
Proceeds from Sale of Assets and Businesses, Net	0	0
Capital Contribution to Subsidiary		0
Net Cash Used in Investing Activities	0	0
Cash Flows From Financing Activities:
Borrowings of Short-term Debt, Net	0	0
Borrowings (Repayments) Long-term Debt, Net	0	0
Borrowings (Repayments) Between Subsidiaries, Net	0	0
Other, Net	0	0
Net Cash Provided by Financing Activities	0	0
Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	0
Net Increase in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of Period	0	0
Cash and Cash Equivalents at End of Period	$ 0	$ 0