v3.24.4
Credit Card and Private Student Loan Securitization Activities (Schedule of Restricted Credit Card Securitized Assets) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]              
Restricted cash $ 43       $ 41 $ 2,582  
Loan receivables 128,409       112,120    
Allowance for credit losses (9,283)       (7,374) $ (6,822) $ (8,226)
Net loan receivables 119,126       104,746    
Other assets 5,858 $ 5,696 $ 4,975 $ 4,610 4,742    
Total assets 151,713 $ 143,615 $ 138,235 $ 133,290 131,851    
Variable Interest Entity, Primary Beneficiary [Member]              
Variable Interest Entity [Line Items]              
Restricted cash 43       41    
Loan receivables 30,590       25,937    
Allowance for credit losses (1,347)       (1,152)    
Other assets 3       3    
Variable Interest Entity, Primary Beneficiary [Member] | Credit Card Securitization Trusts [Member]              
Variable Interest Entity [Line Items]              
Restricted cash 36       33    
Investors’ interests held by third-party investors 11,725       10,200    
Investors’ interests held by wholly-owned subsidiaries of Discover Bank 3,117       3,341    
Seller’s interest 15,598       12,220    
Loan receivables [1] 30,440       25,761    
Allowance for credit losses [1] (1,347)       (1,152)    
Net loan receivables 29,093       24,609    
Other assets 2       2    
Total assets $ 29,131       $ 24,644    
[1] The Company maintains its allowance for credit losses at an amount equal to lifetime expected credit losses associated with all loan receivables, which includes all loan receivables in the trusts. Therefore, the credit risk associated with the transferred receivables is fully reflected on the Company’s statements of financial condition in accordance with GAAP.