Document and Entity Information
Document and Entity Information Document | Jul. 24, 2019 | Jun. 30, 2019 |
Entity Information [Line Items] | ||
Document Type | 8-K | |
Document Period End Date | Jul. 24, 2019 | |
Entity Registrant Name | SLM CORP | |
Entity Central Index Key | 0001032033 | |
Amendment Flag | false | |
Entity Incorporation, State or Country Code | DE | |
Entity File Number | 001-13251 | |
Entity Tax Identification Number | 52-2013874 | |
Entity Address, Address Line One | 300 Continental Drive | |
Entity Address, City or Town | Newark, | |
Entity Address, State or Province | DE | |
Entity Address, Postal Zip Code | 19713 | |
City Area Code | 302 | |
Local Phone Number | 451-0200 | |
Written Communications | false | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Entity Emerging Growth Company | false | |
Common Class A [Member] | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Common stock, par value $.20 per share | |
Trading Symbol | SLM | |
Security Exchange Name | NASDAQ | |
Noncumulative Preferred Stock [Member] | ||
Entity Information [Line Items] | ||
Title of 12(b) Security | Floating Rate Non-Cumulative Preferred Stock, Series B, par value $.20 per share | |
Trading Symbol | SLMBP | |
Security Exchange Name | NASDAQ |