XML 77 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Preferred Stock (Tables)
12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Preferred Stock
Capital Stock — PSCo has authorized the issuance of preferred stock.
Preferred
Shares
Authorized
 
Par Value
 
Preferred
Shares
Outstanding
10,000,000

 
$
0.01