{"cik":275880,"taxonomy":"us-gaap","tag":"IncreaseDecreaseInAccountsReceivable","label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","entityName":"Parsons Corporation","units":{"USD":[{"start":"2016-12-31","end":"2017-12-29","val":2958000,"accn":"0001564590-20-009791","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10","frame":"CY2017"},{"start":"2017-12-30","end":"2018-03-30","val":-469720000,"accn":"0001564590-19-022714","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-06-18","frame":"CY2018Q1"},{"start":"2017-12-30","end":"2018-06-29","val":-418169000,"accn":"0001564590-19-031615","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13"},{"start":"2017-12-30","end":"2018-09-28","val":-384216000,"accn":"0001564590-19-042547","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12"},{"start":"2017-12-30","end":"2018-12-31","val":-461304000,"accn":"0001564590-20-009791","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10"},{"start":"2017-12-30","end":"2018-12-31","val":-461304000,"accn":"0001564590-21-007800","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-24","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":17135000,"accn":"0001564590-19-022714","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-06-18"},{"start":"2019-01-01","end":"2019-03-31","val":17135000,"accn":"0001564590-20-021527","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":97450000,"accn":"0001564590-19-031615","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-13"},{"start":"2019-01-01","end":"2019-06-30","val":97450000,"accn":"0001564590-20-036405","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05"},{"start":"2019-01-01","end":"2019-09-30","val":31726000,"accn":"0001564590-19-042547","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12"},{"start":"2019-01-01","end":"2019-09-30","val":31726000,"accn":"0001564590-20-050173","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2019-01-01","end":"2019-12-31","val":30206000,"accn":"0001564590-20-009791","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10"},{"start":"2019-01-01","end":"2019-12-31","val":30206000,"accn":"0001564590-21-007800","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-24"},{"start":"2019-01-01","end":"2019-12-31","val":30206000,"accn":"0001564590-22-006026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-23","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":91734000,"accn":"0001564590-20-021527","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-06"},{"start":"2020-01-01","end":"2020-03-31","val":91734000,"accn":"0001564590-21-023613","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":49618000,"accn":"0001564590-20-036405","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-05"},{"start":"2020-01-01","end":"2020-06-30","val":49618000,"accn":"0001564590-21-040486","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-04"},{"start":"2020-01-01","end":"2020-09-30","val":106487000,"accn":"0001564590-20-050173","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-04"},{"start":"2020-01-01","end":"2020-09-30","val":106487000,"accn":"0001564590-21-053722","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-03"},{"start":"2020-01-01","end":"2020-12-31","val":8623000,"accn":"0001564590-21-007800","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-24"},{"start":"2020-01-01","end":"2020-12-31","val":8623000,"accn":"0001564590-22-006026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-23"},{"start":"2020-01-01","end":"2020-12-31","val":8623000,"accn":"0001564590-23-002040","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-2597000,"accn":"0001564590-21-023613","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05"},{"start":"2021-01-01","end":"2021-03-31","val":-2597000,"accn":"0001564590-22-017655","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-04","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-58146000,"accn":"0001564590-21-040486","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-04"},{"start":"2021-01-01","end":"2021-06-30","val":-58146000,"accn":"0001564590-22-027607","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-03"},{"start":"2021-01-01","end":"2021-09-30","val":-70355000,"accn":"0001564590-21-053722","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-03"},{"start":"2021-01-01","end":"2021-09-30","val":-70355000,"accn":"0001564590-22-036205","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-02"},{"start":"2021-01-01","end":"2021-12-31","val":-99894000,"accn":"0001564590-22-006026","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-23"},{"start":"2021-01-01","end":"2021-12-31","val":-99894000,"accn":"0001564590-23-002040","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17"},{"start":"2021-01-01","end":"2021-12-31","val":-99894000,"accn":"0000950170-24-014927","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":46690000,"accn":"0001564590-22-017655","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-04"},{"start":"2022-01-01","end":"2022-03-31","val":46690000,"accn":"0000950170-23-016867","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-03","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":109681000,"accn":"0001564590-22-027607","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-03"},{"start":"2022-01-01","end":"2022-06-30","val":109681000,"accn":"0000950170-23-037332","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02"},{"start":"2022-01-01","end":"2022-09-30","val":90913000,"accn":"0001564590-22-036205","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-02"},{"start":"2022-01-01","end":"2022-09-30","val":90913000,"accn":"0000950170-23-057104","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01"},{"start":"2022-01-01","end":"2022-12-31","val":117318000,"accn":"0001564590-23-002040","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-17"},{"start":"2022-01-01","end":"2022-12-31","val":117318000,"accn":"0000950170-24-014927","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2022-01-01","end":"2022-12-31","val":117318000,"accn":"0000950170-25-022754","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":47482000,"accn":"0000950170-23-016867","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-03"},{"start":"2023-01-01","end":"2023-03-31","val":47482000,"accn":"0000950170-24-050876","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-01","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":227756000,"accn":"0000950170-23-037332","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02"},{"start":"2023-01-01","end":"2023-06-30","val":227756000,"accn":"0000950170-24-088219","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-31"},{"start":"2023-01-01","end":"2023-09-30","val":168964000,"accn":"0000950170-23-057104","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01"},{"start":"2023-01-01","end":"2023-09-30","val":168964000,"accn":"0000950170-24-118574","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-30"},{"start":"2023-01-01","end":"2023-12-31","val":176181000,"accn":"0000950170-24-014927","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-14"},{"start":"2023-01-01","end":"2023-12-31","val":176181000,"accn":"0000950170-25-022754","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19"},{"start":"2023-01-01","end":"2023-12-31","val":176181000,"accn":"0001193125-26-045495","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":110066000,"accn":"0000950170-24-050876","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-01"},{"start":"2024-01-01","end":"2024-03-31","val":110066000,"accn":"0000950170-25-060544","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-30","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":131414000,"accn":"0000950170-24-088219","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-31"},{"start":"2024-01-01","end":"2024-06-30","val":131414000,"accn":"0000950170-25-103507","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-06"},{"start":"2024-01-01","end":"2024-09-30","val":116468000,"accn":"0000950170-24-118574","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-30"},{"start":"2024-01-01","end":"2024-09-30","val":116468000,"accn":"0001193125-25-265659","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05"},{"start":"2024-01-01","end":"2024-12-31","val":163139000,"accn":"0000950170-25-022754","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-19"},{"start":"2024-01-01","end":"2024-12-31","val":163139000,"accn":"0001193125-26-045495","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":21015000,"accn":"0000950170-25-060544","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-30"},{"start":"2025-01-01","end":"2025-03-31","val":21015000,"accn":"0001193125-26-188862","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-29","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":31905000,"accn":"0000950170-25-103507","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-06"},{"start":"2025-01-01","end":"2025-09-30","val":90740000,"accn":"0001193125-25-265659","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05"},{"start":"2025-01-01","end":"2025-12-31","val":-10933000,"accn":"0001193125-26-045495","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-47235000,"accn":"0001193125-26-188862","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-29","frame":"CY2026Q1"}]}}