Summary of Significant Accounting Policies Organization and Nature of Operations (Details) shares in Millions		12 Months Ended
	Jun. 17, 2014	Dec. 31, 2017 country $ / shares shares	Dec. 31, 2016 $ / shares shares
Accounting Policies [Abstract]
Number of Countries in which Entity Operates | country		90
Years in operation		50 years
Allotment of ordinary shares issued to each register share of Weatherford Switzerland	1
Common Stock, Shares Authorized | shares		1,356	1,356
Common Stock, Par or Stated Value Per Share | $ / shares		$ 0.001	$ 0.001