Earnings Per Share - Summary of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income attributable to Corpay	$ 229,769	$ 214,835
Denominator for basic earnings per share (in shares)	71,769	73,521
Dilutive securities (in shares)	1,776	962
Denominator for diluted earnings per share (in shares)	73,545	74,483
Basic earnings per share attributable to Corpay (in dollars per share)	$ 3.20	$ 2.92
Diluted earnings per share attributable to Corpay (in dollars per share)	$ 3.12	$ 2.88