Borrowings and Other Financing Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Commercial paper outstanding for PSCo was as follows:

(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2020		Year Ended Dec. 31, 2019
Borrowing limit	$	700	$	700
Amount outstanding at period end	—		—
Average amount outstanding	—		154
Maximum amount outstanding	—		432
Weighted average interest rate, computed on a daily basis	N/A		2.67		%
Weighted average interest rate at period end	N/A		N/A

Credit Facilities

At Sept. 30, 2020, PSCo had the following committed revolving credit facility available (in millions of dollars):

Credit Facility (a)		Drawn (b)		Available
$	700	$	8	$	692

(a)    Expires in June 2024.

(b)    Includes outstanding commercial paper and letters of credit.

Money Pool

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Money pool borrowings for PSCo were as follows:

(Amounts in Millions, Except Interest Rates)	Three Months Ended Sept. 30, 2020			Year Ended Dec. 31, 2019
Borrowing limit	$	250		$	250
Amount outstanding at period end	61			39
Average amount outstanding	4			7
Maximum amount outstanding	71			50
Weighted average interest rate, computed on a daily basis	0.09		%	2.29		%
Weighted average interest rate at period end	0.90			1.63		%