Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue	$ 3,257,077	$ 2,513,484	$ 8,715,851	$ 6,769,677
Costs of revenue, excluding depreciation and amortization	2,857,118	2,187,835	7,701,392	5,949,262
Depreciation	115,033	91,291	325,318	263,487
Amortization of intangible assets	42,266	27,979	126,252	81,242
General and administrative expenses	180,640	125,068	520,709	404,243
Interest expense, net	62,556	26,885	174,664	62,313
Equity in earnings of unconsolidated affiliates, net	(6,787)	(6,059)	(23,434)	(19,423)
Other (income) expense, net	(16,623)	174	(26,332)	(1,897)
Income (loss) before income taxes	22,874	60,311	(82,718)	30,450
(Provision for) benefit from income taxes	(7,569)	(11,089)	34,231	68
Net income (loss)	15,305	49,222	(48,487)	30,518
Net income attributable to non-controlling interests	1,009	326	2,215	388
Net income (loss) attributable to MasTec, Inc.	$ 14,296	$ 48,896	$ (50,702)	$ 30,130
Earnings (loss) per share (Note 2):
Basic earnings (loss) per share (in dollars per share)	$ 0.18	$ 0.66	$ (0.65)	$ 0.41
Basic weighted average common shares outstanding (in shares)	77,640	73,936	77,418	74,386
Diluted earnings (loss) per share (in dollars per share)	$ 0.18	$ 0.65	$ (0.65)	$ 0.38
Diluted weighted average common shares outstanding (in shares)	78,455	75,073	77,418	75,576