Debt Instrument, Issuance Price, Percentage

No definition available.

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- Definition

Estimated weighted average life of student loans.

+ References

No definition available.

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- Definition

Loans Pledged As Collateral, Capitalized Interest

+ References

No definition available.

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- Definition

Loans Pledged As Collateral, Principal Amount

+ References

No definition available.

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- Definition

Loans Securitized or Asset Backed Financing Arrangement Ownership Interest Percentage

+ References

No definition available.

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- Definition

Loans Securitized or Asset-Backed Financing Arrangement, Ownership Interest, Percentage

+ References

No definition available.

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- Definition

Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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.

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- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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- Definition

This is the principal amount outstanding for loans which are in the process of being securitized as of the date of the statement of financial position (across all types of loans).

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- Definition

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

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- Definition

Fair value of the securities pledged as collateral against securities loaned.

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Borrowings - Long Term Borrowings Narrative (Details) - USD ($)						12 Months Ended
	Aug. 09, 2022	Nov. 09, 2021	Nov. 01, 2021	Aug. 18, 2021	May 19, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Aug. 31, 2022	Nov. 30, 2021	Aug. 31, 2021	May 31, 2021	Oct. 29, 2020
Debt Instrument [Line Items]
Total Issued						$ 575,000,000	$ 1,592,000,000
Unsecured debt issued						$ 0	$ 492,135,000	$ 495,000,000
Estimated weighted average life of student loans						5 years	4 years 8 months 12 days
Senior Unsecured Notes Due October 29, 2025 \| Unsecured Debt
Debt Instrument [Line Items]
Total Issued						$ 496,000,000							$ 500,000,000
Interest rate													4.20%
Senior Unsecured Notes Due November 2, 2026 \| Unsecured Debt
Debt Instrument [Line Items]
Total Issued			$ 500,000,000			493,000,000
Interest rate			3.125%
Issuance price			99.43%
SMB Private Education Loan Trust 2022-C
Debt Instrument [Line Items]
Total Issued									$ 575,000,000
Private education loan term accounted for as a secured financing	$ 575,000,000
Loans sold to third parties	$ 575,000,000
Ownership interest percentage on asset-backed financing	100.00%
Unsecured debt issued	$ 575,000,000
Estimated weighted average life of student loans	4 years 8 months 8 days
Loans pledged as collateral						635,000,000
Principal amount of collateral						597,000,000
Capitalized interest						38,000,000
SMB Private Education Loan Trust 2022-C \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.76%
2021-B
Debt Instrument [Line Items]
Total Issued												$ 531,000,000
Private education loan term accounted for as a secured financing					$ 531,000,000
Loans sold to third parties					531,000,000
Unsecured debt issued					$ 529,000,000
Estimated weighted average life of student loans					4 years 3 months 3 days
Loans pledged as collateral						410,000,000
Principal amount of collateral						389,000,000
Capitalized interest						21,000,000
Ownership interest percentage on asset-backed financing					100.00%
2021-B \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate					0.77%
2021-D
Debt Instrument [Line Items]
Total Issued											$ 527,000,000
Private education loan term accounted for as a secured financing				$ 527,000,000
Loans sold to third parties				527,000,000
Unsecured debt issued				$ 525,000,000
Estimated weighted average life of student loans				4 years 2 months 19 days
Principal amount of collateral						403,000,000
Capitalized interest						22,000,000
Ownership interest percentage on asset-backed financing				100.00%
Loans						425,000,000
2021-D \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate				0.69%
2021-E
Debt Instrument [Line Items]
Total Issued										$ 534,000,000
Private education loan term accounted for as a secured financing		$ 534,000,000
Loans sold to third parties		534,000,000
Unsecured debt issued		$ 532,000,000
Estimated weighted average life of student loans		4 years 1 month 24 days
Principal amount of collateral						416,000,000
Capitalized interest						23,000,000
Ownership interest percentage on asset-backed financing		100.00%
Loans						439,000,000
2021-E \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate		0.69%
ABS Transactions
Debt Instrument [Line Items]
Private education loan term accounted for as a secured financing								$ 8,210,000,000
Private Education Loans
Debt Instrument [Line Items]
Private education loan term accounted for as a secured financing						3,750,000,000
Principal amount of collateral						3,630,000,000
Capitalized interest						$ 120,000,000