Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Feb. 12, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	001-36504
Entity Registrant Name	Weatherford International plc
Entity Incorporation, State or Country Code	L2
Entity Tax Identification Number	98-0606750
Entity Address, Address Line One	2000 St. James Place,
Entity Address, City or Town	Houston,
Entity Address, Country	TX
Entity Address, Postal Zip Code	77056
City Area Code	713
Local Phone Number	836.4000
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	Yes
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Bankruptcy Proceedings, Reporting Current	true
Entity Public Float			$ 87
Entity Common Stock, Shares Outstanding		70,017,356
Entity Central Index Key	0001603923
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Current Fiscal Year End Date	--12-31