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Financial Information by Business Segment (Tables)
3 Months Ended
Mar. 31, 2022
Segment Reporting [Abstract]  
Financial Data for Business Segments The financial data for the business segments for the three months ended March 31, 2022 and 2021 were as follows:
 
For the Three Months Ended March 31,
Operating
revenues
Inter-segment
revenues
Depreciation and
amortization
Operating
income/(loss)
(Millions of Dollars)20222021202220212022202120222021
CECONY
Electric$2,084$1,968$4$4$332$315$170$247
Gas1,131973229077451439
Steam3022641919242390100
Consolidation adjustments— — (25)(25)— — — — 
Total CECONY$3,517$3,205$— $— $446$415$711$786
O&R
Electric$166$145$— $— $17$17$8$9
Gas119103— — 773840
Total O&R$285$248$— $— $24$24$46$49
Clean Energy Businesses $260$224$— $— $59$58$46$28
Con Edison Transmission11— — — — (3)(3)
Other (a)(3)(1)— — — — (1)
Total Con Edison$4,060$3,677$— $— $529$497$799$860
(a) Parent company and consolidation adjustments. Other does not represent a business segment.