XML 63 R34.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Segment Information (Tables)
 3 Months Ended
Mar. 31, 2024
Segment Reporting [Abstract]  
Schedule Of Segment Reporting Information By Segment
The following tables present revenues, net income attributable to common shareholders, and capital expenditures by segment at Ameren and Ameren Illinois for the three months ended March 31, 2024 and 2023. Ameren, Ameren Missouri, and Ameren Illinois management review segment capital expenditure information rather than any individual or total asset amount. For additional information about our segments, see Note 16 – Segment Information under Part II, Item 8, of the Form 10-K.
Ameren
Ameren MissouriAmeren Illinois Electric DistributionAmeren Illinois Natural GasAmeren TransmissionOtherIntersegment EliminationsAmeren
Three Months 2024:
External revenues$768 $506 $391 $151 $— $— $1,816 
Intersegment revenues7 — — 34 — (41)— 
Net income attributable to Ameren common shareholders25 56 106 72 
(a)
2 — 261 
Capital expenditures466 184 60 166 2 12 890 
Three Months 2023:
External revenues$913 $624 $391 $134 $— $— $2,062 
Intersegment revenues10 — — 29 — (39)— 
Net income attributable to Ameren common shareholders28 61 87 71 
(a)
17 — 264 
Capital expenditures481 170 51 213 3 13 931 
(a)Ameren Transmission earnings reflect an allocation of financing costs from Ameren (parent).
Ameren Illinois
Ameren Illinois Electric DistributionAmeren Illinois Natural GasAmeren Illinois TransmissionIntersegment EliminationsAmeren Illinois
Three Months 2024:
External revenues$506 $391 $103 $— $1,000 
Intersegment revenues— — 28 (28)— 
Net income available to common shareholder56 106 53 — 215 
Capital expenditures184 60 129 — 373 
Three Months 2023:
External revenues$624 $391 $86 $— $1,101 
Intersegment revenues— — 28 (28)— 
Net income available to common shareholder61 87 50 — 198 
Capital expenditures170 51 186 — 407 
Disaggregation of Revenue
The following tables present disaggregated revenues by segment at Ameren and Ameren Illinois for the three months ended March 31, 2024 and 2023. Economic factors affect the nature, timing, amount, and uncertainty of revenues and cash flows in a similar manner across customer classes. Revenues from alternative revenue programs have a similar distribution among customer classes as revenues from contracts with customers. Other revenues not associated with contracts with customers are presented in the Other customer classification, along with electric transmission, off-system sales, and capacity revenues.
Ameren
Ameren MissouriAmeren Illinois Electric DistributionAmeren Illinois Natural GasAmeren TransmissionIntersegment EliminationsAmeren
Three Months 2024:
Residential$341 $297 $— $— $— $638 
Commercial259 165 — — — 424 
Industrial61 45 — — — 106 
Other53 (1)
(a)
— 185 (41)196 
Total electric revenues$714 $506 $— $185 $(41)$1,364 
Residential$40 $— $287 $— $— $327 
Commercial16 — 68 — — 84 
Industrial2 — 4 — — 6 
Other3 — 32 — — 35 
Total natural gas revenues$61 $— $391 $— $— $452 
Total revenues(b)
$775 $506 $391 $185 $(41)$1,816 
Three Months 2023:
Residential$324 $382 $— $— $— $706 
Commercial247 200 — — — 447 
Industrial61 48 — — — 109 
Other209 (6)
(a)
— 163 (38)328 
Total electric revenues$841 $624 $— $163 $(38)$1,590 
Residential$52 $— $296 $— $— $348 
Commercial23 — 77 — — 100 
Industrial2 — 7 — — 9 
Other5 — 11 — (1)15 
Total natural gas revenues$82 $— $391 $— $(1)$472 
Total revenues(b)
$923 $624 $391 $163 $(39)$2,062 
(a)Includes over-recoveries of various riders.
(b)The following table presents increases/(decreases) in revenues from alternative revenue programs and other revenues not from contracts with customers for the three months ended March 31, 2024 and 2023:
Ameren MissouriAmeren Illinois Electric DistributionAmeren Illinois Natural GasAmeren TransmissionAmeren
Three Months 2024:
Revenues from alternative revenue programs$(6)$39 $19 $9 $61 
Other revenues not from contracts with customers1 2 1 — 4 
Three Months 2023:
Revenues from alternative revenue programs$(2)$64 $28 $8 $98 
Other revenues not from contracts with customers(6)
(a)
2 1 — (3)
(a)
(a)Includes net realized losses on derivative power contracts.
Ameren Illinois
Ameren Illinois Electric DistributionAmeren Illinois Natural GasAmeren Illinois TransmissionIntersegment EliminationsAmeren Illinois
Three Months 2024:
Residential$297 $287 $— $— $584 
Commercial165 68 — — 233 
Industrial45 4 — — 49 
Other(1)
(a)
32 131 (28)134 
Total revenues(b)
$506 $391 $131 $(28)$1,000 
Three Months 2023:
Residential$382 $296 $— $— $678 
Commercial200 77 — — 277 
Industrial48 7 — — 55 
Other(6)
(a)
11 114 (28)91 
Total revenues(b)
$624 $391 $114 $(28)$1,101 
(a)Includes over-recoveries of various riders.
(b)The following table presents increases/(decreases) in revenues from alternative revenue programs and other revenues not from contracts with customers for the Ameren Illinois segments for the three months ended March 31, 2024 and 2023:
Ameren Illinois Electric DistributionAmeren Illinois Natural GasAmeren Illinois TransmissionAmeren Illinois
Three Months 2024:
Revenues from alternative revenue programs$39 $19 $8 $66 
Other revenues not from contracts with customers2 1 — 3 
Three Months 2023:
Revenues from alternative revenue programs$64 $28 $7 $99 
Other revenues not from contracts with customers2 1 — 3