CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Total Revenues	$ 1,444	$ 1,460	$ 4,315	$ 4,209
Costs and Expenses:
Cost, Direct Material	499	480	1,378	1,439
Cost of Services, Oil and Gas	606	715	2,015	2,151
Research and Development	31	42	106	117
Selling, General and Administrative Attributable to Segments	192	230	591	671
Corporate General and Administrative	31	28	101	94
Long-Lived Asset Impairments, Asset Write-Downs and Other	71	1	159	26
Restructuring and Transformation Charges	27	34	90	140
Total Costs and Expenses	1,457	1,530	4,440	4,638
Operating Income (Loss)	(13)	(70)	(125)	(429)
Other Income (Expense):
Interest Expense, Net	(156)	(148)	(457)	(427)
Warrant Fair Value Adjustment	11	(7)	67	58
Bond Tender and Call Premium	0	0	(34)	0
Currency Devaluation Charges	(8)	0	(45)	0
Other Income (Expense), Net	(6)	(1)	(21)	14
Loss Before Income Taxes	(172)	(226)	(615)	(784)
Income Tax Provision	(22)	(25)	(80)	(75)
Net Loss	(194)	(251)	(695)	(859)
Net Income Attributable to Noncontrolling Interests	5	5	13	16
Net Income (Loss) Attributable to Weatherford	$ (199)	$ (256)	$ (708)	$ (875)
Loss Per Share Attributable to Weatherford:
Earnings Per Share, Basic and Diluted	$ (0.20)	$ (0.26)	$ (0.71)	$ (0.88)
Weighted Average Shares Outstanding:
Weighted Average Number of Shares Outstanding, Basic and Diluted	998	990	996	989
Products
Revenue from Contract with Customer	$ 508	$ 535	$ 1,471	$ 1,534
Services
Revenue from Contract with Customer	$ 936	$ 925	$ 2,844	$ 2,675