v3.26.1
Statement of Changes in Net Assets Available for Benefits - Navient 401(k) Savings Plan [Member]
12 Months Ended
Dec. 31, 2025
USD ($)
Statements of Changes in Net Assets Available for Benefits [Abstract]  
Net appreciation in fair value of investments $ 87,472,970
Dividends and interest 13,307,272
Other income 113,561
Investment income 100,893,803
Interest on notes receivable from participants 312,028
Contributions:  
Employer 5,181,510
Participant 10,705,041
Rollover 1,761,005
Contributions 17,647,556
Total Additions 118,853,387
Deductions  
Benefits paid to participants 108,249,973
Administrative expenses 258,748
Total Deductions 108,508,721
Net increase 10,344,666
Transfers to other plans (see Note 1) (58,530,726)
Beginning of year 694,023,885
End of year $ 645,837,825