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Document and Entity Information
Jul. 26, 2023
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 26, 2023
Entity Registrant Name Navient Corporation
Entity Incorporation State Country Code DE
Entity File Number 001-36228
Entity Tax Identification Number 46-4054283
Entity Address Address Line 1 13865 Sunrise Valley Drive
Entity Address City Or Town Herndon
Entity Address State Or Province VA
Entity Address Postal Zip Code 20171
City Area Code 703
Local Phone Number 810-3000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001593538
Amendment Flag false
Former Address [Member]  
Document Information [Line Items]  
Entity Address Address Line 1 123 Justison Street
Entity Address City Or Town Wilmington
Entity Address State Or Province DE
Entity Address Postal Zip Code 19801
Common Stock [Member]  
Document Information [Line Items]  
Security 12b Title Common stock, par value $.01 per share
Trading Symbol NAVI
Security Exchange Name NASDAQ
Senior Notes [Member]  
Document Information [Line Items]  
Security 12b Title 6% Senior Notes due December 15, 2043
Trading Symbol JSM
Security Exchange Name NASDAQ