CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Total Revenues	$ 261	$ 4,954	$ 3,645	$ 3,685
Costs and Expenses:
Research and Development	7	136	85	97
Selling, General and Administrative	45	895	738	837
Asset Impairment Charges	0	750	0	1,053
Restructuring Charges	0	189	0	206
Total Other Charges (Credits), Net	0	339	(10)	171
Prepetition charges	0	86	0	0
Gain on Sale of Businesses, Net	0	(112)	0	0
Total Costs and Expenses	260	6,136	3,529	5,171
Operating Income (Loss), Total	1	(1,182)	116	(1,486)
Other Income (Expense):
Interest Expense, Net	(12)	(362)	(260)	(251)
Gain (loss) on extinguishment of debt	0	0	(170)	0
Loss on Termination of ABL Credit Agreement	0	0	0	(15)
Reorganization Items	(4)	5,389	0	(9)
Other Expense, Net	0	(26)	(29)	(53)
Income (Loss) Before Income Taxes	(15)	3,819	(343)	(1,814)
Income Tax Provision	(9)	(135)	(86)	(85)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total	(24)	3,684	(429)	(1,899)
Net Income Attributable to Noncontrolling Interests	2	23	21	22
Net Income (Loss) Attributable to Weatherford	$ (26)	$ 3,661	$ (450)	$ (1,921)
Income (Loss) Per Share Attributable to Weatherford:
Earnings Per Share, Basic and Diluted	$ (0.37)	$ 3.65	$ (6.43)	$ (27.44)
Weighted Average Shares Outstanding:
Basic & Diluted (in shares)	70	1,004	70	70
Operating Segments [Member]
Revenues	$ 243	$ 4,663	$ 3,546	$ 3,564
Other Income (Expense):
Income (Loss) Before Income Taxes	36	660	633	559
Product
Revenues	111	1,819	1,292	1,435
Revenues:
Cost of Goods and Services Sold	100	1,685	1,169	1,257
Service
Revenues	150	3,135	2,353	2,250
Revenues:
Cost of Goods and Services Sold	$ 108	$ 2,168	$ 1,547	$ 1,550