Summary of Significant Accounting Policies - Computations Of Basic And Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Net earnings available to common stockholders	$ 1,033,159	$ 515,595	$ 744,211
Weighted-average common shares outstanding-basic and diluted:
Weighted-average common shares outstanding-basic (in shares)	68,852	71,214	71,986
Add weighted-average dilutive potential common shares - options and RSU’s to purchase common shares, net (in shares)	293	187	278
Weighted-average common shares outstanding-diluted (in shares)	69,145	71,401	72,264
Earnings per share attributable to Mohawk Industries, Inc.
Basic earnings per share (usd per share)	$ 15.01	$ 7.24	$ 10.34
Diluted earnings per share (usd per share)	$ 14.94	$ 7.22	$ 10.30