Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Long-term Debt Obligations

Quanta’s long-term debt obligations consisted of the following (in thousands):

	December 31,
	2023		2022
0.950% Senior Notes due October 2024	$	500,000	$	500,000
2.900% Senior Notes due October 2030	1,000,000		1,000,000
2.350% Senior Notes due January 2032	500,000		500,000
3.050% Senior Notes due October 2041	500,000		500,000
Borrowings under senior credit facility (including Term Loan)	867,137		786,910
Borrowings under commercial paper program	705,900		373,000
Lease financing transactions	102,955		83,592
Other long-term debt	6,279		9,315
Finance leases	39,577		3,542
Unamortized discount and financing costs	(23,142)		(26,432)
Total long-term debt obligations	4,198,706		3,729,927
Less — Current maturities of long-term debt	535,202		37,495
Total long-term debt obligations, net of current maturities	$	3,663,504	$	3,692,432

Schedule of Maturities of Long-term Debt

As of December 31, 2023, principal payments required to be made during the next five years are set forth in the table below. The payments required under finance leases are provided in Note 11.

2024	$	527,435
2025	$	47,250
2026	$	1,523,540
2027	$	5,761
2028	$	2,914

Schedule of Long-term Debt Instruments

The interest amounts due on Quanta’s Senior Notes on each payment date are set forth below (dollars in thousands):

Title of the Notes	Interest Amount		Payment Dates	Commencement Date
0.950% Senior Notes due October 2024	$	2,375	April 1 and October 1	April 1, 2022
2.900% Senior Notes due October 2030	$	14,500	April 1 and October 1	April 1, 2021
2.350% Senior Notes due January 2032	$	5,875	January 15 and July 15	July 15, 2022
3.050% Senior Notes due October 2041	$	7,625	April 1 and October 1	April 1, 2022

Borrowings under Credit Facility and Applicable Interest Rates

Borrowings under the senior credit facility and the applicable interest rates were as follows (dollars in thousands):

	Year Ended December 31,
	2023			2022			2021
Maximum amount outstanding	$	1,004,677		$	1,684,783		$	1,463,667
Average daily amount outstanding	$	929,201		$	1,250,493		$	591,114
Weighted-average interest rate	6.62		%	3.03		%	1.87		%

Borrowings under the commercial paper program and the applicable interest rates were as follows (dollars in thousands):

	Year Ended December 31,
	2023			2022 (1)
Maximum amount outstanding	$	938,400		$	707,300
Average daily amount outstanding	$	644,942		$	462,359
Weighted-average interest rate	5.82		%	4.47		%

(1) The amounts in this column represent activity from August 23, 2022, the date Quanta’s commercial paper program commenced, through December 31, 2022.