CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue from Contract with Customer, Including Assessed Tax	$ 5,407
Revenues:
Total Revenues	5,744	$ 5,699	$ 5,749
Costs and Expenses:
Cost, Direct Material	1,887	2,142	2,143
Cost of Services, Oil and Gas	2,627	2,747	3,046
Research and Development	139	158	159
Selling, General and Administrative Attributable to Segments	764	904	965
Corporate General and Administrative	130	130	138
Goodwill, Impairment Loss	1,917	0	0
Asset Write Down and Other	238	1,711	1,043
Restructuring and Transformation Charges	126	183	280
Litigation Charges, Net	0	10	(220)
Gain from Disposition of U.S. Pressure Pumping Assets	0	(96)	0
Total Costs and Expenses	7,828	7,869	7,994
Operating Loss	(2,084)	(2,170)	(2,245)
Other Income (Expense):
Interest Expense, Net	(614)	(579)	(499)
Warrant Fair Value Adjustment	70	86	16
Bond Tender and Call Premium	(34)	0	(78)
Currency Devaluation Charges	(49)	0	(41)
Other Income (Expense), Net	(46)	7	(30)
Loss Before Income Taxes	(2,757)	(2,656)	(2,877)
Income Tax Provision	(34)	(137)	(496)
Net Loss	(2,791)	(2,793)	(3,373)
Net Income Attributable to Noncontrolling Interests	20	20	19
Net Loss Attributable to Weatherford	$ (2,811)	$ (2,813)	$ (3,392)
Loss Per Share Attributable to Weatherford:
Earnings Per Share, Basic and Diluted	$ (2.82)	$ (2.84)	$ (3.82)
Weighted Average Shares Outstanding:
Basic & Diluted (in shares)	997	990	887
Product
Revenue from Contract with Customer, Including Assessed Tax	$ 2,051	$ 2,116	$ 2,059
Service
Revenue from Contract with Customer, Including Assessed Tax	$ 3,693	$ 3,583	$ 3,690