Consolidating Financial Statements Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current Assets
Cash and Cash Equivalents	$ 467	$ 474	$ 435	$ 300
Other Current Assets	5,097	7,470
Total Current Assets	5,564	7,944
Equity Investments in Affiliates	0	0
Intercompany Receivables, Net	0	0
Other Assets	9,223	10,945
Total Assets	14,787	18,889
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	1,582	727
Accounts Payable and Other Current Liabilities	2,449	3,300
Total Current Liabilities	4,031	4,027
Long-term Debt	5,879	6,798
Intercompany Payables, Net	0	0
Other Long-term Liabilities	512	1,031
Total Liabilities	10,422	11,856
Weatherford Shareholders’ Equity	4,304	6,958
Noncontrolling Interests	61	75
Total Liabilities and Shareholders’ Equity	14,787	18,889
Eliminations [Member]
Current Assets
Cash and Cash Equivalents	0	0	0	0
Other Current Assets	(704)	(614)
Total Current Assets	(704)	(614)
Equity Investments in Affiliates	(27,072)	(32,856)
Intercompany Receivables, Net	(10,423)	(10,490)
Other Assets	0	0
Total Assets	(38,199)	(43,960)
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	(704)	(614)
Total Current Liabilities	(704)	(614)
Long-term Debt	0	1
Intercompany Payables, Net	(10,423)	(10,490)
Other Long-term Liabilities	0	0
Total Liabilities	(11,127)	(11,103)
Weatherford Shareholders’ Equity	(27,072)	(32,857)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	(38,199)	(43,960)
Weatherford Ireland Parent Company [Member]
Current Assets
Cash and Cash Equivalents	0	1	0	0
Other Current Assets	4	4
Total Current Assets	4	5
Equity Investments in Affiliates	5,693	8,662
Intercompany Receivables, Net	0	0
Other Assets	3	5
Total Assets	5,700	8,672
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	0	0
Accounts Payable and Other Current Liabilities	19	43
Total Current Liabilities	19	43
Long-term Debt	0	0
Intercompany Payables, Net	1,362	1,666
Other Long-term Liabilities	15	5
Total Liabilities	1,396	1,714
Weatherford Shareholders’ Equity	4,304	6,958
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	5,700	8,672
Weatherford Bermuda [Member]
Current Assets
Cash and Cash Equivalents	2	0	0	0
Other Current Assets	0	12
Total Current Assets	2	12
Equity Investments in Affiliates	8,709	10,490
Intercompany Receivables, Net	0	0
Other Assets	27	35
Total Assets	8,738	10,537
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	1,503	618
Accounts Payable and Other Current Liabilities	212	256
Total Current Liabilities	1,715	874
Long-term Debt	4,910	5,749
Intercompany Payables, Net	6,147	6,202
Other Long-term Liabilities	77	82
Total Liabilities	12,849	12,907
Weatherford Shareholders’ Equity	(4,111)	(2,370)
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	8,738	10,537
Guarantor Subsidiaries, Weatherford Delaware [Member]
Current Assets
Cash and Cash Equivalents	22	22	0	0
Other Current Assets	651	544
Total Current Assets	673	566
Equity Investments in Affiliates	9,187	9,730
Intercompany Receivables, Net	0	0
Other Assets	18	16
Total Assets	9,878	10,312
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	864	911
Intercompany Payables, Net	2,914	2,622
Other Long-term Liabilities	10	5
Total Liabilities	3,794	3,544
Weatherford Shareholders’ Equity	6,084	6,768
Noncontrolling Interests	0	0
Total Liabilities and Shareholders’ Equity	9,878	10,312
Other Subsidiaries [Member]
Current Assets
Cash and Cash Equivalents	443	451	$ 435	$ 300
Other Current Assets	5,146	7,524
Total Current Assets	5,589	7,975
Equity Investments in Affiliates	3,483	3,974
Intercompany Receivables, Net	10,423	10,490
Other Assets	9,175	10,889
Total Assets	28,670	33,328
Current Liabilities
Short-term Borrowings and Current Portion of Long-Term Debt	73	103
Accounts Payable and Other Current Liabilities	2,922	3,615
Total Current Liabilities	2,995	3,718
Long-term Debt	105	137
Intercompany Payables, Net	0	0
Other Long-term Liabilities	410	939
Total Liabilities	3,510	4,794
Weatherford Shareholders’ Equity	25,099	28,459
Noncontrolling Interests	61	75
Total Liabilities and Shareholders’ Equity	$ 28,670	$ 33,328