Income per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net Income Attributable to Weatherford	$ 76	$ 112
Basic Weighted Average Shares Outstanding (in shares)	73.1	72.9
Dilutive Effect of Awards Granted in Stock Incentive Plan (in shares)	0.3	1.8
Diluted Weighted Average Shares Outstanding (in shares)	73.4	74.7
Basic Income per Share (in dollars per share)	$ 1.04	$ 1.54
Diluted Income per Share (in dollars per share)	$ 1.03	$ 1.50
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Anti-dilutive Weighted Average Shares (in shares)	0.4	0.5
Equity Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Anti-dilutive Weighted Average Shares (in shares)	0.4	0.5