Summary of Significant Accounting Policies - Schedule of Computations of Basic And Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Net earnings (loss) available to common stockholders	$ 517.7	$ (439.5)	$ 25.3
Weighted-average common shares outstanding—basic and diluted:
Weighted-average common shares outstanding—basic (in shares)	63,300,000	63,700,000	63,800,000
Add dilutive potential common shares—RSUs (in shares)	300,000	0	300,000
Weighted-average common shares outstanding—diluted (in shares)	63,600,000	63,700,000	64,100,000
Earnings (loss) per share attributable to Mohawk Industries, Inc.
Basic (in dollars per share)	$ 8.18	$ (6.90)	$ 0.40
Diluted (in dollars per share)	$ 8.14	$ (6.90)	$ 0.39
Incremental common shares anti dilutive effect (in shares)	0	200,000	0