XML 43 R28.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Education Loans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Receivables [Abstract] |
Education Loan Portfolio by Program | The estimated weighted average life of education loans in our portfolio was approximately 5 years and 6 years at December 31, 2023 and 2022, respectively. The following table reflects the distribution of our education loan portfolio by program.
|  | December 31, 2023 |  |  | Year Ended December 31, 2023 |
(Dollars in millions) |  | Ending Balance |  |  | % of Balance |  |  | Average Balance |  |  | Average Effective Interest Rate |
FFELP Stafford Loans, net |  | $ | 13,564 |  |  |  | 25 | % |  | $ | 14,949 |  |  |  | 7.44 | %
FFELP Consolidation Loans, net |  |  | 24,361 |  |  |  | 44 |  |  |  | 26,242 |  |  |  | 6.80 |
Private Education Loans, net |  |  | 16,902 |  |  |  | 31 |  |  |  | 18,463 |  |  |  | 7.42 |
Total education loans, net |  | $ | 54,827 |  |  |  | 100 | % |  | $ | 59,654 |  |  |  | 7.15 | %
|  | December 31, 2022 |  |  | Year Ended December 31, 2022 |
(Dollars in millions) |  | Ending Balance |  |  | % of Balance |  |  | Average Balance |  |  | Average Effective Interest Rate |
FFELP Stafford Loans, net |  | $ | 15,691 |  |  |  | 25 | % |  | $ | 17,475 |  |  |  | 3.93 | %
FFELP Consolidation Loans, net |  |  | 27,834 |  |  |  | 45 |  |  |  | 31,708 |  |  |  | 4.04 |
Private Education Loans, net |  |  | 18,725 |  |  |  | 30 |  |  |  | 20,524 |  |  |  | 5.82 |
Total education loans, net |  | $ | 62,250 |  |  |  | 100 | % |  | $ | 69,707 |  |  |  | 4.53 | %

X
- Definition Education Loan Portfolio By Program. + References No definition available. + Details
Name: | navi_EducationLoanPortfolioByProgramTableTextBlock
Namespace Prefix: | navi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration