Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Current Assets
Cash and Cash Equivalents	$ 464	$ 467	$ 512	$ 474
Other Current Assets	4,902	5,097
Total Current Assets	5,366	5,564
Equity Investments in Affiliates	0	0
Intercompany Receivables, Net	0	0
Other Assets	9,150	9,196
Total Assets	14,516	14,760
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	1,212	1,582
Accounts Payable and Other Current Liabilities	2,266	2,449
Total Current Liabilities	3,478	4,031
Long-term Debt	5,846	5,852
Intercompany Payables, Net	0	0
Other Long-term Liabilities	533	512
Total Liabilities	9,857	10,395
Weatherford Shareholders’ Equity	4,591	4,304
Noncontrolling Interests	68	61
Total Liabilities and Shareholders’ Equity	14,516	14,760
Weatherford Ireland [Member]
Current Assets
Cash and Cash Equivalents	1	0	0	1
Other Current Assets	2	4
Total Current Assets	3	4
Equity Investments in Affiliates	5,118	5,693
Intercompany Receivables, Net	0	0
Other Assets	0	3
Total Assets	5,121	5,700
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	84	19
Total Current Liabilities	84	19
Long-term Debt	0	0
Intercompany Payables, Net	430	1,362
Other Long-term Liabilities	16	15
Total Liabilities	530	1,396
Weatherford Shareholders’ Equity	4,591	4,304
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	5,121	5,700
Weatherford Bermuda [Member]
Current Assets
Cash and Cash Equivalents	0	2	34	0
Other Current Assets	0	0
Total Current Assets	0	2
Equity Investments in Affiliates	10,586	8,709
Intercompany Receivables, Net	0	0
Other Assets	3	2
Total Assets	10,589	8,713
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	1,070	1,503
Accounts Payable and Other Current Liabilities	104	212
Total Current Liabilities	1,174	1,715
Long-term Debt	4,885	4,885
Intercompany Payables, Net	349	6,147
Other Long-term Liabilities	77	77
Total Liabilities	6,485	12,824
Weatherford Shareholders’ Equity	4,104	(4,111)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	10,589	8,713
Weatherford Delaware [Member]
Current Assets
Cash and Cash Equivalents	21	22	22	22
Other Current Assets	634	651
Total Current Assets	655	673
Equity Investments in Affiliates	8,951	9,187
Intercompany Receivables, Net	0	0
Other Assets	21	16
Total Assets	9,627	9,876
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	6	6
Accounts Payable and Other Current Liabilities	0	0
Total Current Liabilities	6	6
Long-term Debt	859	862
Intercompany Payables, Net	2,896	2,914
Other Long-term Liabilities	8	10
Total Liabilities	3,769	3,792
Weatherford Shareholders’ Equity	5,858	6,084
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	9,627	9,876
Other Subsidiaries [Member]
Current Assets
Cash and Cash Equivalents	442	443	456	451
Other Current Assets	4,913	5,146
Total Current Assets	5,355	5,589
Equity Investments in Affiliates	1,300	3,483
Intercompany Receivables, Net	3,675	10,423
Other Assets	9,126	9,175
Total Assets	19,456	28,670
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	136	73
Accounts Payable and Other Current Liabilities	2,725	2,922
Total Current Liabilities	2,861	2,995
Long-term Debt	102	105
Intercompany Payables, Net	0	0
Other Long-term Liabilities	432	410
Total Liabilities	3,395	3,510
Weatherford Shareholders’ Equity	15,993	25,099
Noncontrolling Interests	68	61
Total Liabilities and Shareholders’ Equity	19,456	28,670
Eliminations [Member]
Current Assets
Cash and Cash Equivalents	0	0	$ 0	$ 0
Other Current Assets	(647)	(704)
Total Current Assets	(647)	(704)
Equity Investments in Affiliates	(25,955)	(27,072)
Intercompany Receivables, Net	(3,675)	(10,423)
Other Assets	0	0
Total Assets	(30,277)	(38,199)
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	(647)	(704)
Total Current Liabilities	(647)	(704)
Long-term Debt	0	0
Intercompany Payables, Net	(3,675)	(10,423)
Other Long-term Liabilities	0	0
Total Liabilities	(4,322)	(11,127)
Weatherford Shareholders’ Equity	(25,955)	(27,072)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	$ (30,277)	$ (38,199)