CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue	$ 12,303,464	$ 11,995,934	$ 9,778,038
Costs of revenue, excluding depreciation and amortization	10,675,987	10,613,762	8,586,333
Depreciation	366,765	433,929	371,240
Amortization of intangible assets	139,853	169,233	135,908
General and administrative expenses	684,508	698,899	559,437
Interest expense, net	193,266	234,405	112,255
Equity in earnings of unconsolidated affiliates, net	(30,228)	(30,697)	(28,836)
Loss on extinguishment of debt	11,344	0	0
Other expense (income), net	11,006	(40,893)	(1,358)
Income (loss) before income taxes	250,963	(82,704)	43,059
(Provision for) benefit from income taxes	(51,542)	35,408	(9,171)
Net income (loss)	199,421	(47,296)	33,888
Net income attributable to non-controlling interests	36,633	2,653	534
Net income (loss) attributable to MasTec, Inc.	$ 162,788	$ (49,949)	$ 33,354
Earnings (loss) per share (Note 2):
Basic earnings (loss) per share (in dollars per share)	$ 2.09	$ (0.64)	$ 0.45
Basic weighted average common shares outstanding (in shares)	78,049	77,535	74,917
Diluted earnings (loss) per share (in dollars per share)	$ 2.06	$ (0.64)	$ 0.42
Diluted weighted average common shares outstanding (in shares)	78,880	77,535	76,185