Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue	$ 2,513,484	$ 2,404,332	$ 6,769,677	$ 6,142,414
Costs of revenue, excluding depreciation and amortization	2,187,835	2,057,336	5,949,262	5,246,427
Depreciation	91,291	95,366	263,487	262,132
Amortization of intangible assets	27,979	23,352	81,242	54,522
General and administrative expenses	125,068	86,902	404,243	238,995
Interest expense, net	26,885	13,091	62,313	39,379
Equity in earnings of unconsolidated affiliates, net	(6,059)	(8,714)	(19,423)	(23,585)
Other expense (income), net	174	(3,036)	(1,897)	(13,746)
Income before income taxes	60,311	140,035	30,450	338,290
(Provision for) benefit from income taxes	(11,089)	(27,578)	68	(83,956)
Net income	49,222	112,457	30,518	254,334
Net income attributable to non-controlling interests	326	1,370	388	2,147
Net income attributable to MasTec, Inc.	$ 48,896	$ 111,087	$ 30,130	$ 252,187
Earnings per share (Note 2):
Basic earnings per share (in dollars per share)	$ 0.66	$ 1.53	$ 0.41	$ 3.48
Basic weighted average common shares outstanding (in shares)	73,936	72,503	74,386	72,481
Diluted earnings per share (in dollars per share)	$ 0.65	$ 1.50	$ 0.38	$ 3.41
Diluted weighted average common shares outstanding (in shares)	75,073	73,977	75,576	73,921