CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 4,616,117,000	$ 4,334,603,000
Investments:
Trading investments at fair value (cost of $47,554 and $29,049, respectively )	55,903,000	37,465,000
Available-for-sale investments	2,342,089,000	2,517,956,000
Other investments	94,716,000	140,037,000
Total investments	2,492,708,000	2,695,458,000
Loans held for investment (net of allowance for losses of $1,357,075 and $1,165,335, respectively)	19,626,868,000	20,341,283,000
Loans held for sale	29,448,000	0
Restricted cash	156,719,000	210,741,000
Other interest-earning assets	11,162,000	9,655,000
Accrued interest receivable	1,202,059,000	1,205,667,000
Premises and equipment, net	140,728,000	150,516,000
Goodwill and acquired intangible assets, net	118,273,000	0
Income taxes receivable, net	380,058,000	239,578,000
Tax indemnification receivable	2,816,000	8,047,000
Other assets	34,073,000	26,351,000
Total assets	28,811,029,000	29,221,899,000
Liabilities
Deposits	21,448,071,000	20,828,124,000
Long-term borrowings	5,235,114,000	5,930,990,000
Other liabilities	400,874,000	313,074,000
Total liabilities	27,084,059,000	27,072,188,000
Commitments and contingencies
Equity
Preferred stock, par value $0.20 per share, 20 million shares authorized: Series B: 2.5 million and 2.5 million shares issued, respectively, at stated value of $100 per share	251,070,000	251,070,000
Common stock, par value $0.20 per share, 1.125 billion shares authorized: 435.1 million and 432.0 million shares issued, respectively	87,025,000	86,403,000
Additional paid-in capital	1,109,072,000	1,074,384,000
Accumulated other comprehensive loss (net of tax benefit of $(30,160) and $(5,707), respectively)	(93,870,000)	(17,897,000)
Retained earnings	3,163,640,000	2,817,134,000
Total SLM Corporation stockholders’ equity before treasury stock	4,516,937,000	4,211,094,000
Less: Common stock held in treasury at cost: 194.4 million and 153.1 million shares, respectively	(2,789,967,000)	(2,061,383,000)
Total equity	1,726,970,000	2,149,711,000
Total liabilities and equity	$ 28,811,029,000	$ 29,221,899,000