v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - Navient 401(k) Savings Plan [Member]
12 Months Ended
Dec. 31, 2025
USD ($)
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Plan participants $ 2,808,815 [1],[2]
Total $ 645,837,825
Employee Benefit Plan Participant [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Investment, Identifier [Axis]: AF WASH MUTL INV R6 [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity AF WASH MUTL INV R6 [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 17,149,913
Investment, Identifier [Axis]: AS SPL SM CAP VAL E [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity AS SPL SM CAP VAL E [Member]
Description of Investment Common Collective Trust [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 3,985,342
Investment, Identifier [Axis]: BROKERAGELINK [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity BROKERAGELINK [Member] [4]
Description of Investment Self-directed Brokerage Account [Member] [4]
Participation status Participant-directed Investments [Member] [3],[4]
Current value $ 27,626,365 [4]
Investment, Identifier [Axis]: COL OVERSEAS VAL R [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity COL OVERSEAS VAL R [Member]
Description of Investment Common Collective Trust [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 16,155,851
Investment, Identifier [Axis]: DODGE & COX INCOME X [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity DODGE & COX INCOME X [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 18,818,719
Investment, Identifier [Axis]: FID BALANCED K [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID BALANCED K [Member] [2]
Description of Investment Mutual Funds [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 23,471,401 [2]
Investment, Identifier [Axis]: FID CONTRA POOL CL A [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID CONTRA POOL CL A [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 81,245,975 [2]
Investment, Identifier [Axis]: FID FRDM 2010 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2010 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 1,263,388 [2]
Investment, Identifier [Axis]: FID FRDM 2015 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2015 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 209,320 [2]
Investment, Identifier [Axis]: FID FRDM 2020 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2020 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 7,489,565 [2]
Investment, Identifier [Axis]: FID FRDM 2025 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2025 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 10,611,006 [2]
Investment, Identifier [Axis]: FID FRDM 2030 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2030 CP D [Member] [2]
Description of Investment Common Collective Trust Member [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 28,710,069 [2]
Investment, Identifier [Axis]: FID FRDM 2035 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2035 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 18,792,691 [2]
Investment, Identifier [Axis]: FID FRDM 2040 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2040 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 34,500,176 [2]
Investment, Identifier [Axis]: FID FRDM 2045 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2045 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 16,900,135 [2]
Investment, Identifier [Axis]: FID FRDM 2050 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2050 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 18,495,519 [2]
Investment, Identifier [Axis]: FID FRDM 2055 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2055 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 20,931,158 [2]
Investment, Identifier [Axis]: FID FRDM 2060 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2060 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 7,257,472 [2]
Investment, Identifier [Axis]: FID FRDM 2065 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2065 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 1,283,728 [2]
Investment, Identifier [Axis]: FID FRDM 2070 CP D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM 2070 CP D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 67,267 [2]
Investment, Identifier [Axis]: FID FRDM RETIRE D [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID FRDM RETIRE D [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 1,409,766 [2]
Investment, Identifier [Axis]: FID INFL PR BD IDX [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID INFL PR BD IDX [Member] [2]
Description of Investment Mutual Funds [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 2,094,624 [2]
Investment, Identifier [Axis]: FID OTC POOL A [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID OTC POOL A [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 45,534,030 [2]
Investment, Identifier [Axis]: FID US BOND IDX [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity FID US BOND IDX [Member] [2]
Description of Investment Mutual Funds [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 12,040,713 [2]
Investment, Identifier [Axis]: JH ENTERPRISE III [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity JH ENTERPRISE III [Member]
Description of Investment Common Collective Trust [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 13,124,853
Investment, Identifier [Axis]: LOOMIS SM CP GRTH N [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity LOOMIS SM CP GRTH N [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 16,724,520
Investment, Identifier [Axis]: NAVIENT STOCK FUND [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity NAVIENT STOCK FUND [Member] [2]
Description of Investment Common Stock Fund [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 6,016,875 [2]
Investment, Identifier [Axis]: PGIM GLB TOT RTN Z [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity PGIM GLB TOT RTN Z [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 712,285
Investment, Identifier [Axis]: PUTNAM STABLE VALUE [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity PUTNAM STABLE VALUE [Member]
Description of Investment Common Collective Trust [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 4,842,857
Investment, Identifier [Axis]: SP 500 INDEX PL CL C [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity SP 500 INDEX PL CL C [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 114,761,691 [2]
Investment, Identifier [Axis]: SP INTL INDEX C [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity SP INTL INDEX C [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 15,409,275 [2]
Investment, Identifier [Axis]: SP MID CAP IDX CL C [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity SP MID CAP IDX CL C [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 9,520,192 [2]
Investment, Identifier [Axis]: SP SMALL CP IND CL C [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Party-in-interest true [2]
Identity of issuer, borrower, or similar entity SP SMALL CP IND CL C [Member] [2]
Description of Investment Common Collective Trust [Member] [2]
Participation status Participant-directed Investments [Member] [2],[3]
Current value $ 5,868,119 [2]
Investment, Identifier [Axis]: VANG VMMR-FED MMKT [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity VANG VMMR-FED MMKT [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 25,974,623
Investment, Identifier [Axis]: VICTORY S ESTB VAL Y [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Identity of issuer, borrower, or similar entity VICTORY S ESTB VAL Y [Member]
Description of Investment Mutual Funds [Member]
Participation status Participant-directed Investments [Member] [3]
Current value $ 14,029,526
Minimum [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Participant Loans, interest rate 3.25%
Maximum [Member]  
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) [Abstract]  
Participant Loans, interest rate 9.00%
[1] Collateralized by participant accounts with interest ranging from 3.25% to 9% per annum
[2] Denotes a party-in-interest
[3] Cost information is not required for participant-directed investments and therefore is not included in this schedule.
[4] Some investments within Brokeragelink are in funds offered by affiliates of Fidelity, a party-in-interest