Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Loans, net	$ 72,812	$ 79,363
Investments
Held-to-maturity	74	15
Other	193	270
Total investments	267	285
Cash and cash equivalents	905	1,183
Restricted cash and cash equivalents	2,673	2,354
Goodwill and acquired intangible assets, net	725	735
Other assets	3,223	3,492
Total assets	80,605	87,412
Liabilities
Short-term borrowings	2,490	6,613
Long-term borrowings	74,488	77,332
Other liabilities	1,019	1,020
Total liabilities	77,997	84,965
Commitments and contingencies
Equity
Common stock, par value $0.01 per share; 1.125 billion shares authorized: 459 million and 454 million shares issued, respectively	4	4
Additional paid-in capital	3,282	3,226
Accumulated other comprehensive loss (net of tax benefit of $45 and $90, respectively)	(133)	(274)
Retained earnings	3,939	3,331
Total Navient Corporation stockholders’ equity before treasury stock	7,092	6,287
Less: Common stock held in treasury at cost: 305 million and 267 million shares, respectively	(4,495)	(3,854)
Total Navient Corporation stockholders’ equity	2,597	2,433
Noncontrolling interest	11	14
Total equity	2,608	2,447
Total liabilities and equity	80,605	87,412
Assets and Liabilities of Consolidated Variable Interest Entities [Member]
Assets
Loans, net	70,649	76,726
Investments
Total assets	74,820	80,468
Investments
Restricted cash	2,649	2,322
Other assets, net	1,522	1,420
Liabilities
Short-term borrowings	2,188	5,595
Long-term borrowings	67,107	68,900
Equity
Net assets of consolidated variable interest entities	5,525	5,973
Series A Junior Participating Preferred Stock [Member]
Equity
Series A Junior Participating Preferred Stock, par value $0.20 per share; 2 million shares authorized at December 31, 2021; no shares issued or outstanding
FFELP Loans [Member]
Assets
Loans, net	52,641	58,284
FFELP Loans [Member] | Assets and Liabilities of Consolidated Variable Interest Entities [Member]
Assets
Loans, net	52,502	58,068
Private Education Loans [Member]
Assets
Loans, net	20,171	21,079
Private Education Loans [Member] | Assets and Liabilities of Consolidated Variable Interest Entities [Member]
Assets
Loans, net	$ 18,147	$ 18,658