XML 48 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
SHORT-TERM DEBT (Tables)
12 Months Ended
Dec. 31, 2019
Short-term Debt [Abstract]  
Schedule of Short-term Debt

Short-term debt consisted of the following (in millions of dollars):
 
As of December 31,
 
2019
 
2018
Lines of Credit
 
 
 
Outstanding at December 31
$
55

 
$
49

Maximum month-end balance during the year
$
56

 
$
138

Weighted average interest rate during the year
2.32
%
 
2.29
%
Weighted average interest rate at December 31
2.44
%
 
2.35
%
 
 
 
 
Commercial Paper
 
 
 
Outstanding at December 31
$

 
$

Maximum month-end balance during the year
$

 
$
90

Weighted average interest rate during the year
%
 
1.80
%