Income per Share - Weighted Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net Income Attributable to Weatherford	$ 125	$ 82	$ 237	$ 154
Basic Weighted Average Shares Outstanding (in shares)	73.2	72.1	73.1	72.1
Dilutive Effect of Awards Granted in Stock Incentive Plan (in shares)	2.1	1.3	1.9	1.3
Weighted Average Number of Shares Outstanding, Diluted	75.3	73.4	75.0	73.4
Basic Income per Share (in dollars per share)	$ 1.71	$ 1.14	$ 3.25	$ 2.14
Diluted Income per Share (in dollars per share)	$ 1.66	$ 1.12	$ 3.16	$ 2.11
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Anti-dilutive Weighted Average Shares (in shares)	0.5	8.8	0.5	8.7
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Anti-dilutive Weighted Average Shares (in shares)	0.0	7.8	0.0	7.8
Equity Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Anti-dilutive Weighted Average Shares (in shares)	0.5	1.0	0.5	0.9