XML 15 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document and Entity Information
 6 Months Ended
Jun. 30, 2021
shares
Document Information [Line Items]  
Document Type 10-Q
Amendment Flag false
Document Period End Date Jun. 30, 2021
Document Fiscal Year Focus 2021
Document Fiscal Period Focus Q2
Entity Registrant Name Navient Corporation
Entity Central Index Key 0001593538
Current Fiscal Year End Date --12-31
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Common Stock, Shares Outstanding 167,840,188
Entity Current Reporting Status Yes
Entity Shell Company false
Entity File Number 001-36228
Entity Tax Identification Number 46-4054283
Entity Address, Address Line One 123 Justison Street
Entity Address, City or Town Wilmington
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19801
City Area Code (302) 
Local Phone Number 283-8000
Entity Interactive Data Current Yes
Entity Incorporation, State or Country Code DE
Document Quarterly Report true
Document Transition Report false
Common Stock Par Value. 01 Per Share [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common stock, par value $.01 per share
Trading Symbol NAVI
Security Exchange Name NASDAQ
Senior Notes Due December 15, 2043 [Member]  
Document Information [Line Items]  
Title of 12(b) Security 6% Senior Notes due December 15, 2043
Trading Symbol JSM
Security Exchange Name NASDAQ