Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 2,301,792	$ 1,962,658	$ 4,256,192	$ 3,738,082
Costs of revenue, excluding depreciation and amortization	2,028,111	1,675,232	3,761,427	3,189,091
Depreciation	87,001	87,501	172,195	166,766
Amortization of intangible assets	27,673	19,923	53,263	31,170
General and administrative expenses	133,785	81,503	279,175	152,093
Interest expense, net	19,387	13,829	35,428	26,288
Equity in earnings of unconsolidated affiliates, net	(6,587)	(7,525)	(13,364)	(14,871)
Other income, net	(5,825)	(10,632)	(2,071)	(10,711)
Income (loss) before income taxes	18,247	102,827	(29,861)	198,256
(Provision for) benefit from income taxes	(1,992)	(27,062)	11,157	(56,379)
Net income (loss)	16,255	75,765	(18,704)	141,877
Net income attributable to non-controlling interests	43	314	62	777
Net income (loss) attributable to MasTec, Inc.	$ 16,212	$ 75,451	$ (18,766)	$ 141,100
Earnings (loss) per share (Note 2):
Basic earnings (loss) per share (in dollars per share)	$ 0.22	$ 1.04	$ (0.25)	$ 1.95
Basic weighted average common shares outstanding (in shares)	74,445	72,501	74,615	72,470
Diluted earnings (loss) per share (in dollars per share)	$ 0.20	$ 1.02	$ (0.27)	$ 1.91
Diluted weighted average common shares outstanding (in shares)	75,537	73,976	74,647	73,913