v3.25.2
DEPOSITS (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Deposit Liability [Line Items]          
Non-interest-bearing deposits in U.S. offices $ 119,898   $ 119,898   $ 123,338
Interest-bearing deposits in U.S. offices (including $1,701 and $1,262 as of June 30, 2025 and December 31, 2024, respectively, at fair value) 575,709   575,709   551,547
Total deposits in U.S. offices 695,607   695,607   674,885
Non-interest-bearing deposits in offices outside the U.S. (including $486 million and $383 million as of June 30, 2025 and December 31, 2024, respectively, at fair value) 86,458   86,458   84,349
Interest-bearing deposits in offices outside the U.S. (including $1,925 and $1,963 as of June 30, 2025 and December 31, 2024, respectively, at fair value) 575,668   575,668   525,224
Total deposits in offices outside the U.S. 662,126   662,126   609,573
Total deposits 1,357,733   1,357,733   1,284,458
Other operating [1] 1,277 $ 1,723 2,626 $ 3,543  
Silicon Valley Bank And Signature Bank          
Deposit Liability [Line Items]          
Other operating 20 $ 34      
Fair value          
Deposit Liability [Line Items]          
Interest-bearing deposits in U.S. offices (including $1,701 and $1,262 as of June 30, 2025 and December 31, 2024, respectively, at fair value) 1,701   1,701   1,262
Non-interest-bearing deposits in offices outside the U.S. (including $486 million and $383 million as of June 30, 2025 and December 31, 2024, respectively, at fair value) 486   486   383
Interest-bearing deposits in offices outside the U.S. (including $1,925 and $1,963 as of June 30, 2025 and December 31, 2024, respectively, at fair value) 1,925   1,925   1,963
Total deposits $ 1,353,600   $ 1,353,600   $ 1,280,900
[1]     Effective January 1, 2025, certain transaction processing fees paid by Citi, primarily to credit card networks, which were previously presented within Other operating expenses, are presented as contra-revenue within Commissions and fees reported in Non-interest revenue. Prior periods were conformed to reflect this change in presentation.