CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net Loss	$ (194)	$ (251)	$ (695)	$ (859)
Other Comprehensive Income (Loss), Net of Tax:
Currency Translation Adjustments	(9)	91	(170)	165
Defined Benefit Pension Activity	0	(3)	1	(44)
Other Comprehensive Income (Loss)	(9)	88	(169)	121
Comprehensive Loss	(203)	(163)	(864)	(738)
Comprehensive Income Attributable to Noncontrolling Interests	5	5	13	16
Comprehensive Loss Attributable to Weatherford	$ (208)	$ (168)	$ (877)	$ (754)