CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Assets, Current [Abstract]
Cash and Cash Equivalents, at Carrying Value	$ 1,291	$ 1,118
Restricted Cash	155	167
Receivables, Net, Current	816	826
Inventory, Net	681	717
Other Assets, Current	301	349
Total Current Assets	3,244	3,177
Property, Plant and Equipment, Net of Accumulated Depreciation of $570 at September 30, 2021 and $367 at December 31, 2020	1,022	1,236
Intangible Assets, Net of Accumulated Amortization of $289 at September 30, 2021 and $173 at December 31, 2020	695	810
Operating Lease, Right-of-Use Asset	117	138
Other Assets, Noncurrent	70	73
Total Assets	5,148	5,434
Liabilities:
Short-term Debt	211	13
Accounts Payable, Current	350	325
Employee-related Liabilities, Current	317	297
Taxes Payable, Current	139	185
Operating Lease, Liability, Current	63	71
Other Current Liabilities	444	471
Total Current Liabilities	1,524	1,362
Long-term Debt and Lease Obligation	2,431	2,601
Operating Lease, Liability, Noncurrent	135	177
Other Liabilities, Noncurrent	411	357
Total Liabilities	4,501	4,497
Shareholders’ Equity:
Ordinary Shares - Par Value $0.001; Authorized 1,356 shares, Issued and Outstanding 70 shares at September 30, 2021 and December 31, 2020	0	0
Additional Paid in Capital, Common Stock	2,900	2,897
Retained Earnings (Accumulated Deficit)	(2,236)	(1,947)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(43)	(43)
Weatherford Shareholders’ Equity	621	907
Noncontrolling Interests	26	30
Total Shareholders’ Equity	647	937
Total Liabilities and Shareholders’ Equity	$ 5,148	$ 5,434