Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Current Assets
Cash and Cash Equivalents	$ 440	$ 467	$ 519	$ 474
Other Current Assets	4,158	5,097
Total Current Assets	4,598	5,564
Equity Investments in Affiliates	0	0
Intercompany Receivables, Net	0	0
Other Assets	8,037	9,196
Total Assets	12,635	14,760
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	555	1,582
Accounts Payable and Other Current Liabilities	2,165	2,449
Total Current Liabilities	2,720	4,031
Long-term Debt	6,937	5,852
Intercompany Payables, Net	0	0
Other Long-term Liabilities	595	512
Total Liabilities	10,252	10,395
Weatherford Shareholders’ Equity	2,324	4,304
Noncontrolling Interests	59	61
Total Liabilities and Shareholders’ Equity	12,635	14,760
Weatherford Ireland [Member]
Current Assets
Cash and Cash Equivalents	0	0	0	1
Other Current Assets	1	4
Total Current Assets	1	4
Equity Investments in Affiliates	2,926	5,693
Intercompany Receivables, Net	0	0
Other Assets	1	3
Total Assets	2,928	5,700
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	172	19
Total Current Liabilities	172	19
Long-term Debt	0	0
Intercompany Payables, Net	432	1,362
Other Long-term Liabilities	0	15
Total Liabilities	604	1,396
Weatherford Shareholders’ Equity	2,324	4,304
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	2,928	5,700
Weatherford Bermuda [Member]
Current Assets
Cash and Cash Equivalents	21	2	1	0
Other Current Assets	0	0
Total Current Assets	21	2
Equity Investments in Affiliates	9,149	8,709
Intercompany Receivables, Net	276	0
Other Assets	14	2
Total Assets	9,460	8,713
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	383	1,503
Accounts Payable and Other Current Liabilities	221	212
Total Current Liabilities	604	1,715
Long-term Debt	6,468	4,885
Intercompany Payables, Net	0	6,147
Other Long-term Liabilities	272	77
Total Liabilities	7,344	12,824
Weatherford Shareholders’ Equity	2,116	(4,111)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	9,460	8,713
Weatherford Delaware [Member]
Current Assets
Cash and Cash Equivalents	0	22	22	22
Other Current Assets	544	651
Total Current Assets	544	673
Equity Investments in Affiliates	7,651	9,187
Intercompany Receivables, Net	0	0
Other Assets	0	16
Total Assets	8,195	9,876
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	96	6
Accounts Payable and Other Current Liabilities	0	0
Total Current Liabilities	96	6
Long-term Debt	143	862
Intercompany Payables, Net	3,505	2,914
Other Long-term Liabilities	265	10
Total Liabilities	4,009	3,792
Weatherford Shareholders’ Equity	4,186	6,084
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	8,195	9,876
Other Subsidiaries [Member]
Current Assets
Cash and Cash Equivalents	419	443	496	451
Other Current Assets	4,182	5,146
Total Current Assets	4,601	5,589
Equity Investments in Affiliates	1,068	3,483
Intercompany Receivables, Net	3,661	10,423
Other Assets	8,121	9,175
Total Assets	17,451	28,670
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	76	73
Accounts Payable and Other Current Liabilities	2,440	2,922
Total Current Liabilities	2,516	2,995
Long-term Debt	214	105
Intercompany Payables, Net	0	0
Other Long-term Liabilities	323	410
Total Liabilities	3,053	3,510
Weatherford Shareholders’ Equity	14,339	25,099
Noncontrolling Interests	59	61
Total Liabilities and Shareholders’ Equity	17,451	28,670
Eliminations [Member]
Current Assets
Cash and Cash Equivalents	0	0	$ 0	$ 0
Other Current Assets	(569)	(704)
Total Current Assets	(569)	(704)
Equity Investments in Affiliates	(20,794)	(27,072)
Intercompany Receivables, Net	(3,937)	(10,423)
Other Assets	(99)	0
Total Assets	(25,399)	(38,199)
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	(668)	(704)
Total Current Liabilities	(668)	(704)
Long-term Debt	112	0
Intercompany Payables, Net	(3,937)	(10,423)
Other Long-term Liabilities	(265)	0
Total Liabilities	(4,758)	(11,127)
Weatherford Shareholders’ Equity	(20,641)	(27,072)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	$ (25,399)	$ (38,199)