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Document And Entity Information
Aug. 02, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 02, 2023
Entity Registrant Name Parsons Corporation
Entity Central Index Key 0000275880
Entity Emerging Growth Company false
Securities Act File Number 001-07782
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 95-3232481
Entity Address, Address Line One 5875 Trinity Parkway, #300
Entity Address, City or Town Centreville
Entity Address, State or Province VA
Entity Address, Postal Zip Code 21120
City Area Code (703)
Local Phone Number 988-8500
Entity Information, Former Legal or Registered Name 5875 Trinity Parkway, #300, Centreville, Virginia 21120
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $1 par value
Trading Symbol PSN
Security Exchange Name NYSE