CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net Loss	$ (242)	$ (443)
Other Comprehensive Income (Loss), Net of Tax:
Currency Translation Adjustments	5	63
Defined Benefit Pension Activity	0	(20)
Other Comprehensive Income (Loss)	5	43
Comprehensive Loss	(237)	(400)
Comprehensive Income Attributable to Noncontrolling Interests	3	5
Comprehensive Loss Attributable to Weatherford	$ (240)	$ (405)