Income per Share - Weighted Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net Income Attributable to Weatherford	$ 112	$ 72
Basic Weighted Average Shares Outstanding (in shares)	72.9	71.5
Dilutive Effect of Awards Granted in Stock Incentive Plan (in shares)	1.8	2.0
Weighted Average Number of Shares Outstanding, Diluted	74.7	73.5
Basic Income per Share (in dollars per share)	$ 1.54	$ 1.00
Diluted Income per Share (in dollars per share)	$ 1.50	$ 0.97
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Antidilutive Shares (in shares)	0.5	8.6
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Antidilutive Shares (in shares)	0.0	7.8
Equity Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total Antidilutive Shares (in shares)	0.5	0.8