0000831001 2026-10-26 2026-10-26 0000831001 us-gaap:CommonStockMember 2026-10-26 2026-10-26 0000831001 c:NoncumulativePreferredStockSeriesIIMember 2026-10-26 2026-10-26 0000831001 c:CitigroupCapitalIIIMember 2026-10-26 2026-10-26 0000831001 c:CitigroupCapitalXIIIMember 2026-10-26 2026-10-26 0000831001 c:SeriesNMediumTermSeniorNotesDueApr2028Member 2026-10-26 2026-10-26 0000831001 c:SeriesNMediumTermSeniorNotesDueSept2028Member 2026-10-26 2026-10-26 0000831001 c:SeriesNMediumTermSeniorNotesDueOct2028Member 2026-10-26 2026-10-26 0000831001 c:SeriesNMediumTermSeniorNotesDueMar2029Member 2026-10-26 2026-10-26 false 0000831001 8-K 2026-10-26 Citigroup Inc. DE 1-9924 52-1568099 388 Greenwich Street New York NY 10013 212 559-1000 false false false false false C Common Stock, par value $.01 per share NYSE C PR R Dep Shs, represent 1/1,000th interest in a share of 6.250% Noncum Pref Stk, Ser II NYSE C/36Y 7.625% TRUPs of Cap III (and registrant’s guaranty) NYSE C N 7.875% FXD / FRN TruPS of Cap XIII (and registrant’s guaranty) NYSE C/28 MTN, Series N, Floating Rate Notes Due Apr 26, 2028 of CGMHI (and registrant’s guaranty) NYSE C/28A MTN, Series N, Floating Rate Notes Due Sept 2028 of CGMHI (and registrant’s guaranty) NYSE C/28B MTN, Series N, Floating Rate Notes Due Oct 2028 of CGMHI (and registrant’s guaranty) NYSE C/29A MTN, Series N, Floating Rate Notes Due Mar 2029 of CGMHI (and registrant’s guaranty) NYSE