Additional Proceeds from Sale of Debt Securities, Available-for-sale

No definition available.

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- Definition

Lendable value of collateral

+ References

No definition available.

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- Definition

Ownership Interest Percentage

+ References

No definition available.

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- Definition

Uncommitted Federal Funds

+ References

No definition available.

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- Definition

Vertical Risk Retention, Percentage

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Borrowings - Additional Information (Details) - USD ($)			1 Months Ended	3 Months Ended
Borrowings - Additional Information (Details) - USD ($)	Feb. 17, 2021	Feb. 09, 2021	Mar. 31, 2020	Mar. 31, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Short-term borrowings				$ 0	$ 0
Vertical risk retention interest		5.00%	5.00%	5.00%
Unsecured offering issued					1,343,000,000
Uncommitted federal funds				$ 125,000,000
Lendable value of collateral				3,200,000,000	3,800,000,000
Student Loan
Line of Credit Facility [Line Items]
Private education loans sold		$ 2,500,000,000
Additional net proceeds from sales of loans held for investment, capitalized interest		130,000,000
Gain on sale		$ 18,000,000
Unsecured borrowings
Line of Credit Facility [Line Items]
Short-term borrowings				0	0
Commercial Paper \| ABCP borrowings
Line of Credit Facility [Line Items]
Private asset backed commercial paper education loan funding facility	$ 2,000,000,000
Ownership interest percentage in residual interest in ABCP facility	100.00%
Short-term borrowings				$ 0	$ 0