XML 102 R35.htm IDEA: XBRL DOCUMENT v3.22.4
Short-Term Debt And Liquidity (Tables)
12 Months Ended
Dec. 31, 2022
Line of Credit Facility [Abstract]  
Schedule Of Maximum Aggregate Amount Available On Credit Agreements The following table presents the maximum aggregate amount available to each borrower under each facility:
Missouri
Credit Agreement
Illinois
Credit Agreement
Ameren (parent)$1,000 $700 
Ameren Missouri1,000 (a)
Ameren Illinois(a)1,000 
(a)Not applicable.
Schedule of Commercial Paper
The following table summarizes the activity and relevant interest rates for Ameren (parent)’s, Ameren Missouri’s, and Ameren Illinois’ commercial paper issuances and borrowings under the Credit Agreements in the aggregate for the years ended December 31, 2022 and 2021:
Ameren (parent)Ameren MissouriAmeren IllinoisAmeren Consolidated
2022
Average daily amount outstanding$485 $229 $138 $852 
Commercial paper issuances outstanding at period-end477 329 264 1,070 
Weighted-average interest rate2.41 %1.71 %2.79 %2.28 %
Peak amount outstanding during period(a)
$718 $539 $404 $1,267 
Peak interest rate4.80 %4.95 %4.80 %4.95 %
2021
Average daily amount outstanding$387 $99 $118 $604 
Commercial paper issuances outstanding at period-end277 165 103 545 
Weighted-average interest rate0.22 %0.22 %0.21 %0.22 %
Peak amount outstanding during period(a)
$650 $546 $485 $1,134 
Peak interest rate0.38 %0.35 %0.35 %0.38 %
(a)    The timing of peak outstanding commercial paper issuances and borrowings under the Credit Agreements varies by company. Therefore, the sum of individual company peak amounts may not equal the Ameren consolidated peak amount for the period.