CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets, Current [Abstract]
Cash and Cash Equivalents, at Carrying Value	$ 1,177	$ 1,118
Restricted Cash	166	167
Accounts Receivable, Net of Allowance for Credit Losses of $32 at March 31, 2021 and $32 at December 31, 2020	793	826
Inventory, Net	676	717
Other Assets, Current	346	349
Total Current Assets	3,158	3,177
Property, Plant and Equipment, Net of Accumulated Depreciation of $430 at March 31, 2021 and $367 at December 31, 2020	1,170	1,236
Intangible Assets, Net of Accumulated Amortization of $212 at March 31, 2021 and $173 at December 31, 2020	771	810
Operating Lease, Right-of-Use Asset	128	138
Other Assets, Noncurrent	68	73
Total Assets	5,295	5,434
Liabilities:
Short-term Debt	11	13
Accounts Payable, Current	330	325
Employee-related Liabilities, Current	253	297
Taxes Payable, Current	194	185
Operating Lease, Liability, Current	67	71
Other Current Liabilities	509	471
Total Current Liabilities	1,364	1,362
Long-term Debt and Lease Obligation	2,602	2,601
Operating Lease, Liability, Noncurrent	159	177
Other Liabilities, Noncurrent	349	357
Total Liabilities	4,474	4,497
Shareholders’ Equity:
Ordinary Shares - Par Value $0.001; Authorized 1,356 shares, Issued and Outstanding 70 shares at March 31, 2021 and December 31, 2020	0	0
Additional Paid in Capital, Common Stock	2,897	2,897
Retained Earnings (Accumulated Deficit)	(2,063)	(1,947)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(47)	(43)
Weatherford Shareholders’ Equity	787	907
Noncontrolling Interests	34	30
Total Shareholders’ Equity	821	937
Total Liabilities and Shareholders’ Equity	$ 5,295	$ 5,434