{"cik":2152623,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"Navient Holdings, Inc.","units":{"USD/shares":[{"start":"2025-01-01","end":"2025-09-30","val":-0.75,"accn":"0001193125-26-447663","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-11-04"},{"start":"2025-07-01","end":"2025-09-30","val":-0.87,"accn":"0001193125-26-447663","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-11-04","frame":"CY2025Q3"},{"start":"2026-01-01","end":"2026-09-30","val":0.6,"accn":"0001193125-26-447663","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-11-04"},{"start":"2026-07-01","end":"2026-09-30","val":0.16,"accn":"0001193125-26-447663","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-11-04","frame":"CY2026Q3"}]}}