Short-term Borrowings and Current Portion of Long-term Debt Narrative (Details) $ in Millions	12 Months Ended
	Apr. 30, 2014	Jul. 01, 2016	Jun. 30, 2016	Feb. 01, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Apr. 09, 2015 USD ($)	Dec. 31, 2014 USD ($)
Short-term Debt [Line Items]
Credit agreement, maximum capacity					$ 2,250
Line of Credit Facility, Remaining Borrowing Capacity					1,300
Short-term Debt					1,181			$ 677
Performance bonds					149
Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Short-term Debt					967			0
Committed letters of credit [Member]
Short-term Debt [Line Items]
Letters of credit outstanding, amount						$ 16
364-day term loan facility [Member]
Short-term Debt [Line Items]
Credit agreement, maximum capacity							$ 400
Short-term Debt					0		$ 175	$ 175
Domestic and Foreign Facility [Member]
Short-term Debt [Line Items]
Short term borrowings					214
Uncommitted letters of credit [Member]
Short-term Debt [Line Items]
Letters of credit outstanding, amount					$ 626
Maximum [Member] | Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Ratio of Indebtedness to Net Capital					0.6
Guarantor Subsidiaries, Weatherford Delaware [Member] | 364-day term loan facility [Member]
Short-term Debt [Line Items]
Debt instrument, term	364 days
Bi-Lateral Revolver Debt [Member] | Domestic and Foreign Facility [Member]
Short-term Debt [Line Items]
Short term borrowings					$ 180
Senior Notes, 5.50% due 2016 [Member]
Short-term Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					5.50%
London Interbank Offered Rate (LIBOR) [Member] | Domestic and Foreign Facility [Member]
Short-term Debt [Line Items]
Interest rate at period end					1.95%
Tranche One [Member] | Bi-Lateral Revolver Debt [Member] | Domestic and Foreign Facility [Member]
Short-term Debt [Line Items]
Short term borrowings					$ 150
Tranche Two [Member] | Bi-Lateral Revolver Debt [Member] | Domestic and Foreign Facility [Member]
Short-term Debt [Line Items]
Short term borrowings					$ 30
Subsequent Event [Member]
Short-term Debt [Line Items]
Credit agreement, maximum capacity				$ 2,000
Subsequent Event [Member] | Maximum [Member] | Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Ratio of Indebtedness to Net Capital		0.6	0.7