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OPERATING SEGMENTS
 3 Months Ended
Mar. 31, 2023
Segment Reporting [Abstract]  
OPERATING SEGMENTS OPERATING SEGMENTS
The operating segments and reporting units reflect how the CEO, who is the chief operating decision maker, manages the Company, including allocating resources and measuring performance.
Citigroup’s activities are conducted through three operating segments: Institutional Clients Group (ICG), Personal Banking and Wealth Management (PBWM) and Legacy Franchises, with Corporate/Other including activities not assigned to a specific operating segment, as well as discontinued operations.
ICG consists of Services, Markets and Banking, providing corporate, institutional and public sector clients around the world with a full range of wholesale banking products and services.
PBWM consists of U.S. Personal Banking and Global Wealth Management (Global Wealth), providing traditional banking services and credit cards to retail and small business customers in the U.S., and financial services to clients from affluent to ultra-high-net-worth through banking, lending, mortgages, investment, custody and trust product offerings in 20 countries, including the U.S., Mexico and the four wealth management centers: Singapore, Hong Kong, the UAE and London.
Legacy Franchises consists of Asia Consumer and Mexico Consumer/SBMM businesses that Citi intends to exit, and its remaining Legacy Holdings Assets.
Corporate/Other includes activities not assigned to the operating segments, including certain unallocated costs of global functions, other corporate expenses and corporate treasury results, offsets to certain line-item reclassifications and eliminations, and unallocated taxes, as well as discontinued operations.
Revenues and expenses directly associated with each respective business segment or component are included in determining respective operating results. Other revenues and expenses that are not directly attributable to a particular business segment or component are generally allocated from Corporate/Other based on respective net revenues, non-interest expenses or other relevant measures.
As a result of revenues and expenses from transactions with other operating segments or components being treated as transactions with external parties for purposes of segment disclosures, the Company includes intersegment eliminations within Corporate/Other to reconcile the business segment results to Citi’s consolidated results.
The accounting policies of these operating segments are the same as those disclosed in Note 1 to the Consolidated Financial Statements in Citi’s 2022 Form 10-K.
The following table presents certain information regarding the Company’s continuing operations by operating segment and Corporate/Other:

Three Months Ended March 31,
In millions of dollars, except identifiable assets, average loans and average deposits in billionsICGPBWMLegacy FranchisesCorporate/OtherTotal Citi
2023202220232022202320222023202220232022
Net interest income$5,028 $3,784 $5,934 $5,385 $1,290 $1,508 $1,096 $194 $13,348 $10,871 
Non-interest revenue6,205 7,376 514 520 1,562 423 (182)(4)8,099 8,315 
Total revenues, net of interest expense$11,233 $11,160 $6,448 $5,905 $2,852 $1,931 $914 $190 $21,447 $19,186 
Operating expense6,973 6,723 4,254 3,889 1,752 2,293 310 260 13,289 13,165 
Provisions for credit losses(72)971 1,591 (376)345 160 111 — 1,975 755 
Income (loss) from continuing operations before taxes$4,332 $3,466 $603 $2,392 $755 $(522)$493 $(70)$6,183 $5,266 
Provision (benefits) for income taxes1,034 808 114 532 149 (137)234 (262)1,531 941 
Income (loss) from continuing operations$3,298 $2,658 $489 $1,860 $606 $(385)$259 $192 $4,652 $4,325 
Identifiable assets (March 31, 2023 and December 31, 2022)
$1,769 $1,730 $490 $494 $94 $97 $102 $96 $2,455 $2,417 
Average loans283 289 333 312 38 48 — — 654 649 
Average deposits853 826 434 447 50 55 26 6 1,363 1,334