Revenue Recognition and Related Balance Sheet Accounts (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenue Disaggregated by Geographic Location and Contract Type

The following tables present Quanta’s revenue disaggregated by contract type and by geographic location, as determined by the job location (in thousands):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2022				2021				2022				2021
By contract type:
Unit-price contracts	$	1,597,640	35.8	%	$	1,399,358	41.8	%	4,407,147		34.8	%	$	3,593,644	39.7	%
Cost-plus contracts	986,262		22.1	%	825,622		24.6	%	2,879,492		22.8	%	2,247,879		24.8	%
Fixed price contracts	1,875,855		42.1	%	1,128,298		33.6	%	5,370,646		42.4	%	3,215,152		35.5	%
Total revenues	$	4,459,757	100.0	%	$	3,353,278	100.0	%	$	12,657,285	100.0	%	$	9,056,675	100.0	%

	Three Months Ended September 30,								Nine Months Ended September 30,
	2022				2021				2022				2021
By primary geographic location:
United States	$	3,760,019	84.3	%	$	2,892,446	86.2	%	$	10,751,325	84.9	%	$	7,669,360	84.7	%
Canada	512,803		11.5	%	382,072		11.4	%	1,503,174		11.9	%	1,123,077		12.4	%
Australia	130,851		2.9	%	52,804		1.6	%	275,421		2.2	%	170,719		1.9	%
Others	56,084		1.3	%	25,956		0.8	%	127,365		1.0	%	93,519		1.0	%
Total revenues	$	4,459,757	100.0	%	$	3,353,278	100.0	%	$	12,657,285	100.0	%	$	9,056,675	100.0	%

Contract Assets and Liabilities

Contract assets and liabilities consisted of the following (in thousands):

	September 30, 2022		December 31, 2021
Contract assets	$	1,127,181	$	803,453
Contract liabilities	$	830,351	$	802,872

Composition of the Allowance for Credit Losses

Activity in Quanta’s allowance for credit losses consisted of the following (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Balance at beginning of period	$	49,707	$	39,713	$	49,749	$	16,546
Increase (decrease) in provision for credit losses	2,343		249		2,048		24,169
Write-offs charged against the allowance net of recoveries of amounts previously written off	(33,030)		(253)		(32,777)		(1,006)
Balance at end of period	$	19,020	$	39,709	$	19,020	$	39,709