Income per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Weatherford	$ 506	$ 417	$ 26
Basic Weighted Average Shares Outstanding (in shares)	73.0	71.9	70.5
Dilutive Effect of Awards Granted in Stock Incentive Plans (in shares)	1.9	1.7	1.1
Diluted Weighted Average Shares Outstanding (in shares)	74.9	73.6	71.6
Basic Income Per Share Attributable to Weatherford (in dollars per share)	$ 6.93	$ 5.79	$ 0.37
Diluted Income Per Share Attributable to Weatherford (in dollars per share)	$ 6.75	$ 5.66	$ 0.36
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Shares (in shares)	0.4	8.1	8.4
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Shares (in shares)	0.0	7.4	7.8
Share-Based Payment Arrangement
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Shares (in shares)	0.4	0.7	0.6