XML 46 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Short-Term Debt And Liquidity Short-Term Debt and Liquidity (Tables)
 6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Short-term Debt
The following table presents commercial paper outstanding as of June 30, 2017, and December 31, 2016:
  
2017
 
2016
Ameren (parent)
$
673

 
$
507

Ameren Missouri
60

 
—

Ameren Illinois
159

 
51

Ameren Consolidated
$
892

 
$
558

The following table summarizes the borrowing activity and relevant interest rates under Ameren’s (parent), Ameren Missouri’s, and Ameren Illinois’ commercial paper programs for the six months ended June 30, 2017 and 2016:
 
 
Ameren
(parent)
Ameren
Missouri
Ameren
Illinois
Ameren Consolidated
2017
 
 
 
 
 
 
Average daily commercial paper outstanding
 
$
736

 
$
6

$
66

$
808

Weighted-average interest rate
 
1.19
%
 
1.10
%
1.14
%
1.19
%
Peak commercial paper during period(a)
 
$
841

 
$
60

$
163

$
948

Peak interest rate
 
1.50
%
 
1.41
%
1.50
%
1.50
%
2016
 
 
 
 
 
 
Average daily commercial paper outstanding
 
$
402

 
$
117

$
12

$
531

Weighted-average interest rate
 
0.82
%
 
0.74
%
0.79
%
0.80
%
Peak commercial paper during period(a)
 
$
549

 
$
208

$
177

$
839

Peak interest rate
 
0.95
%
 
0.85
%
0.85
%
0.95
%

(a)
The timing of peak commercial paper issuances varies by company. Therefore, the sum of peak commercial paper issuances presented by company does not equal the Ameren Consolidated peak commercial paper issuances for the period.