Segments and Related Information (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of Financial Information by Reportable Segment

Summarized financial information for MasTec’s reportable segments is presented and reconciled to consolidated financial information for total MasTec in the following tables, including a reconciliation of consolidated income before income taxes to EBITDA, all of which are presented in millions. The tables below may contain slight summation differences due to rounding.

	For the Years Ended December 31,
Revenue:	2022		2021		2020
Communications (a)	$	3,233.7	$	2,551.1	$	2,512.2
Clean Energy and Infrastructure	2,618.6		1,865.0		1,526.9
Oil and Gas	1,219.6		2,540.5		1,789.8
Power Delivery	2,725.2		1,016.8		506.5
Other	—		0.0		0.6
Eliminations	(19.1)		(21.6)		(15.0)
Consolidated revenue	$	9,778.0	$	7,951.8	$	6,321.0

(a)    Revenue generated primarily by utilities customers represented 23.6%, 20.8% and 15.6% of Communications segment revenue for the years ended December 31, 2022, 2021 and 2020, respectively.

	For the Years Ended December 31,
EBITDA:	2022		2021		2020
Communications	$	327.1	$	269.5	$	270.1
Clean Energy and Infrastructure	102.8		75.0		80.4
Oil and Gas	163.5		557.6		510.9
Power Delivery	202.9		68.0		14.9
Other	31.8		33.8		30.7
Segment EBITDA	$	828.1	$	1,003.8	$	907.0

	For the Years Ended December 31,
Depreciation and Amortization:	2022		2021		2020
Communications	$	126.4	$	99.3	$	87.1
Clean Energy and Infrastructure	87.0		43.5		18.2
Oil and Gas	134.6		207.8		156.6
Power Delivery	147.8		61.5		24.7
Other	—		0.0		0.1
Corporate	11.3		10.7		11.1
Consolidated depreciation and amortization	$	507.1	$	422.8	$	297.8

	As of December 31,
Assets:	2022		2021 (a)		2020
Communications	$	2,378.6	$	2,100.9	$	1,941.9
Clean Energy and Infrastructure	2,979.9		1,067.0		653.7
Oil and Gas	1,544.2		1,527.6		1,631.1
Power Delivery	1,967.9		2,017.2		541.6
Other	297.3		238.1		191.8
Corporate	125.4		170.6		267.8
Consolidated segment assets	$	9,293.3	$	7,121.4	$	5,227.9

(a)     Segment assets as of December 31, 2021 were recast during the first quarter of 2022 to conform with the change in segment reporting for the HMG acquisition, the effect of which was a decrease in Power Delivery segment assets of $192.2 million, an increase in Communications and Oil and Gas segment assets of $69.4 million and $77.0 million, respectively, and an increase in Corporate assets of $45.8 million.

	For the Years Ended December 31,
Capital Expenditures:	2022		2021		2020
Communications	$	87.1	$	50.6	$	38.4
Clean Energy and Infrastructure	35.8		44.6		14.0
Oil and Gas	49.0		55.7		149.2
Power Delivery	83.4		13.0		3.8
Other	—		0.0		0.0
Corporate	8.0		6.2		8.3
Consolidated capital expenditures	$	263.4	$	170.1	$	213.7

Reconciliation of Consolidated Income before Income Taxes to EBITDA

	For the Years Ended December 31,
EBITDA Reconciliation:	2022		2021		2020
Income before income taxes	$	43.1	$	430.1	$	425.2
Plus:
Interest expense, net	112.3		53.4		59.6
Depreciation	371.2		345.6		258.8
Amortization	135.9		77.2		38.9
Corporate EBITDA	165.6		97.5		124.5
Segment EBITDA	$	828.1	$	1,003.8	$	907.0