| USD ($) $ in Millions | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 | Sep 30, 2021 | Jun 30, 2021 | Mar 31, 2021 | Sep 30, 2020 | Jun 30, 2020 | Mar 31, 2020 | Sep 30, 2019 | Jun 30, 2019 | Mar 31, 2019 | Sep 30, 2018 | Jun 30, 2018 | Mar 31, 2018 | Sep 30, 2017 | Jun 30, 2017 | Mar 31, 2017 | Sep 30, 2016 | Jun 30, 2016 | Mar 31, 2016 | Sep 30, 2015 | Jun 30, 2015 | Mar 31, 2015 | Sep 30, 2014 | Jun 30, 2014 | Mar 31, 2014 | Sep 30, 2013 | Jun 30, 2013 | Mar 31, 2013 | Sep 30, 2012 | Jun 30, 2012 | Mar 31, 2012 | Sep 30, 2011 | Jun 30, 2011 | Mar 31, 2011 | Sep 30, 2010 | Jun 30, 2010 | Mar 31, 2010 | Sep 30, 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Assets | |||||||||||||||||||||||||||||||||||||||||||||||||||
Cash and due from banks (including segregated cash and other deposits) | $ 24,663 | $ 23,625 | $ 23,545 | $ 24,991 | $ 24,463 | $ 25,266 | $ 26,917 | $ 25,174 | $ 26,548 | $ 25,763 | $ 26,224 | $ 26,502 | |||||||||||||||||||||||||||||||||||||||
Deposits with banks, net of allowance | 341,750 | 362,097 | 324,515 | 312,482 | 283,868 | 277,828 | 219,217 | 247,556 | 227,439 | 271,145 | 302,735 | 273,105 | |||||||||||||||||||||||||||||||||||||||
Securities borrowed and purchased under agreements to resell (including $214,711 and $206,110 as of June 30, 2026 and December 31, 2025, respectively, at fair value), net of allowance | 404,655 | 353,094 | 321,347 | 323,892 | 390,215 | 285,928 | 317,970 | 344,264 | 335,059 | 337,103 | 384,198 | 349,214 | |||||||||||||||||||||||||||||||||||||||
Brokerage receivables, net of allowance | 83,322 | 91,720 | 75,992 | 64,029 | 57,440 | 63,653 | 64,563 | 61,314 | 66,194 | 60,850 | 55,491 | 79,696 | |||||||||||||||||||||||||||||||||||||||
Trading account assets (including $283,649 and $228,816 pledged to creditors as of June 30, 2026 and December 31, 2025, respectively) | 634,356 | 593,473 | 562,254 | 568,558 | 518,577 | 458,072 | 446,339 | 431,468 | 406,368 | 423,189 | 383,906 | 358,260 | |||||||||||||||||||||||||||||||||||||||
Investments: | |||||||||||||||||||||||||||||||||||||||||||||||||||
Available-for-sale debt securities (including $7,136 and $4,931 pledged to creditors as of June 30, 2026 and December 31, 2025, respectively) | 286,765 | 257,822 | 246,227 | 235,802 | 225,180 | 234,444 | 249,362 | 254,898 | 241,783 | 237,334 | 240,487 | 232,143 | |||||||||||||||||||||||||||||||||||||||
Held-to-maturity debt securities, net of allowance (fair value of which is $157,524 and $179,520 as of June 30, 2026 and December 31, 2025, respectively) (includes $125 and $70 pledged to creditors as of June 30, 2026 and December 31, 2025, respectively) | 167,893 | 178,503 | 197,092 | 206,094 | 220,385 | 248,274 | 251,125 | 252,459 | 259,456 | 262,066 | 264,342 | 267,864 | |||||||||||||||||||||||||||||||||||||||
Equity securities (including $538 and $921 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 8,263 | 7,839 | 7,413 | 7,504 | 7,323 | 7,953 | 7,789 | 7,826 | 7,759 | 7,745 | 7,749 | 8,009 | |||||||||||||||||||||||||||||||||||||||
Total investments | 462,921 | 444,164 | 450,732 | 449,400 | 452,888 | 490,671 | 508,276 | 515,183 | 508,998 | 507,145 | 512,578 | 508,016 | |||||||||||||||||||||||||||||||||||||||
Loans: | |||||||||||||||||||||||||||||||||||||||||||||||||||
Loans, net of unearned income | 793,658 | 761,616 | 733,905 | 725,345 | 702,056 | 688,922 | 687,722 | 674,578 | 666,348 | 660,612 | 651,995 | 645,960 | |||||||||||||||||||||||||||||||||||||||
Allowance for credit losses on loans (ACLL) | 19,961 | 19,636 | 19,206 | 19,123 | 18,726 | 18,356 | 18,216 | 18,296 | 17,629 | 17,496 | 17,169 | 16,309 | |||||||||||||||||||||||||||||||||||||||
Consumer | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Corporate | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Allowance for loan losses | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Total loans, net | 773,697 | 741,980 | 714,699 | 706,222 | 683,330 | 670,566 | 669,506 | 656,282 | 648,719 | 643,116 | 634,826 | 629,651 | |||||||||||||||||||||||||||||||||||||||
Goodwill | 19,012 | 18,997 | 19,126 | 19,878 | 19,422 | 19,691 | 19,704 | 20,042 | 19,829 | 19,998 | 19,882 | 19,326 | |||||||||||||||||||||||||||||||||||||||
Intangible assets (including MSRs of $788 and $759 as of June 30, 2026 and December 31, 2025, respectively) | 5,004 | 4,305 | 4,330 | 4,409 | 4,430 | 4,121 | 4,226 | 4,338 | 4,540 | 4,576 | 4,632 | 4,485 | |||||||||||||||||||||||||||||||||||||||
Premises and equipment, net of depreciation and amortization | 33,897 | 33,574 | 32,819 | 32,312 | 30,814 | 30,096 | 29,399 | 29,188 | 27,959 | 27,818 | 27,119 | - | |||||||||||||||||||||||||||||||||||||||
Mortgage servicing rights (MSRs) | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Other assets (including $16,460 and $15,840 as of June 30, 2026 and December 31, 2025, respectively, at fair value), net of allowance | 111,377 | 110,658 | 113,116 | 116,599 | 106,067 | 104,771 | 99,569 | 97,701 | 96,824 | 102,972 | 103,522 | 132,809 | |||||||||||||||||||||||||||||||||||||||
Assets of discontinued operations held for sale | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Total assets | 2,894,654 | 2,777,687 | 2,642,475 | 2,622,772 | 2,571,514 | 2,430,663 | 2,405,686 | 2,432,510 | 2,368,477 | 2,423,675 | 2,455,113 | 2,381,064 | |||||||||||||||||||||||||||||||||||||||
Liabilities | |||||||||||||||||||||||||||||||||||||||||||||||||||
Deposits | |||||||||||||||||||||||||||||||||||||||||||||||||||
Non-interest-bearing deposits in U.S. offices | - | - | - | - | - | - | - | - | - | - | - | 135,514 | |||||||||||||||||||||||||||||||||||||||
Interest-bearing deposits in U.S. offices (including $911 and $879 as of September 30, 2022 and December 31, 2021, respectively, at fair value) | - | - | - | - | - | - | - | - | - | - | - | 570,920 | |||||||||||||||||||||||||||||||||||||||
Total U.S. deposits | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Non-interest-bearing deposits in offices outside the U.S. | - | - | - | - | - | - | - | - | - | - | - | 98,904 | |||||||||||||||||||||||||||||||||||||||
Interest-bearing deposits in offices outside the U.S. (including $1,529 and $787 as of September 30, 2022 and December 31, 2021, respectively, at fair value) | - | - | - | - | - | - | - | - | - | - | - | 501,148 | |||||||||||||||||||||||||||||||||||||||
Total international deposits | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Deposits (including $4,873 and $4,222 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 1,492,607 | 1,446,240 | 1,383,929 | 1,357,733 | 1,316,410 | 1,309,999 | 1,278,137 | 1,307,163 | 1,273,506 | 1,319,867 | 1,330,459 | 1,306,486 | |||||||||||||||||||||||||||||||||||||||
Securities loaned and sold under agreements to repurchase (including $150,621 and $199,422 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 411,126 | 369,585 | 349,726 | 347,913 | 403,959 | 278,377 | 305,206 | 299,387 | 256,770 | 260,035 | 257,681 | 203,429 | |||||||||||||||||||||||||||||||||||||||
Brokerage payables (including $3,210 and $5,492 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 116,076 | 111,224 | 89,596 | 90,949 | 78,302 | 81,186 | 73,621 | 73,013 | 75,076 | 69,433 | 76,708 | 87,841 | |||||||||||||||||||||||||||||||||||||||
Trading account liabilities | 187,193 | 185,266 | 160,243 | 163,952 | 148,688 | 142,534 | 151,259 | 156,652 | 164,624 | 170,664 | 185,010 | 196,479 | |||||||||||||||||||||||||||||||||||||||
Short-term borrowings (including $27,017 and $21,567 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 68,978 | 72,056 | 54,760 | 55,560 | 49,139 | 41,340 | 38,694 | 31,910 | 43,166 | 40,430 | 40,187 | 47,368 | |||||||||||||||||||||||||||||||||||||||
Long-term debt (including $143,494 and $130,726 as of June 30, 2026 and December 31, 2025, respectively, at fair value) | 333,749 | 307,566 | 315,846 | 317,761 | 295,684 | 299,081 | 280,321 | 285,495 | 275,760 | 274,510 | 279,684 | 253,068 | |||||||||||||||||||||||||||||||||||||||
Other liabilities, plus allowances | 70,475 | 73,178 | 74,498 | 74,774 | 66,074 | 68,244 | 69,304 | 71,492 | 69,380 | 79,314 | 76,365 | 87,276 | |||||||||||||||||||||||||||||||||||||||
Liabilities of discontinued operations held for sale | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
Total liabilities | 2,680,204 | 2,565,115 | 2,428,598 | 2,408,642 | 2,358,256 | 2,220,761 | 2,196,542 | 2,225,112 | 2,158,282 | 2,214,253 | 2,246,094 | 2,181,947 | |||||||||||||||||||||||||||||||||||||||
Stockholders’ equity | |||||||||||||||||||||||||||||||||||||||||||||||||||
Preferred stock ($1.00 par value; authorized shares: 30 million), issued shares: as of June 30, 2026—782,000 and as of December 31, 2025—802,000, at aggregate liquidation value | 19,550 | 19,550 | 19,050 | 16,350 | 18,350 | 16,350 | 18,100 | 17,600 | 19,495 | 20,245 | 20,245 | 18,995 | |||||||||||||||||||||||||||||||||||||||
Common stock ($0.01 par value; authorized shares: 6 billion), issued shares: as of June 30, 2026—3,099,786,399 and as of December 31, 2025—3,099,752,593 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | |||||||||||||||||||||||||||||||||||||||
Additional paid-in capital | 107,343 | 107,821 | 109,010 | 108,839 | 108,616 | 108,969 | 108,785 | 108,592 | 108,757 | 108,579 | 108,369 | 108,347 | |||||||||||||||||||||||||||||||||||||||
Retained earnings | 223,989 | 219,542 | 214,034 | 211,674 | 209,013 | 204,770 | 202,913 | 200,956 | 202,135 | 199,976 | 198,353 | 193,462 | |||||||||||||||||||||||||||||||||||||||
Treasury stock, at cost: June 30, 2026—1,422,349,616 shares and December 31, 2025— 1,352,205,592 shares | 99,398 | 95,370 | 84,932 | 79,886 | 77,880 | 75,840 | 74,842 | 74,865 | 74,738 | 74,247 | 73,262 | 73,977 | |||||||||||||||||||||||||||||||||||||||
Accumulated other comprehensive income (loss) (AOCI) | (39,500) | (40,615) | (44,170) | (43,786) | (45,722) | (45,197) | (46,677) | (45,729) | (46,177) | (45,865) | (45,441) | (48,298) | |||||||||||||||||||||||||||||||||||||||
Total Citigroup stockholders’ equity | 212,015 | 210,959 | 213,023 | 213,222 | 212,408 | 209,083 | 208,310 | 206,585 | 209,503 | 208,719 | 208,295 | 198,560 | |||||||||||||||||||||||||||||||||||||||
Noncontrolling interests—equity (NCI—equity) | 2,435 | 1,613 | 854 | 908 | 850 | 819 | 834 | 813 | 692 | 703 | 724 | 557 | |||||||||||||||||||||||||||||||||||||||
Total equity | 214,450 | 212,572 | 213,877 | 214,130 | 213,258 | 209,902 | 209,144 | 207,398 | 210,195 | 209,422 | 209,019 | 199,117 | |||||||||||||||||||||||||||||||||||||||
Total liabilities and equity | $ 2,894,654 | $ 2,777,687 | $ 2,642,475 | $ 2,622,772 | $ 2,571,514 | $ 2,430,663 | $ 2,405,686 | $ 2,432,510 | $ 2,368,477 | $ 2,423,675 | $ 2,455,113 | $ 2,381,064 |