Borrowings and Other Financing Instruments (Tables)

6 Months Ended

Jun. 30, 2021

Borrowings and Other Financing Instruments [Abstract]

Short-Term Borrowings

Commercial paper outstanding for PSCo:

(Amounts in Millions, Except Interest Rates)	Three Months Ended June 30, 2021		Year Ended Dec. 31, 2020
Borrowing limit	$	700	$	700
Amount outstanding at period end	—		136
Average amount outstanding	—		30
Maximum amount outstanding	—		230
Weighted average interest rate, computed on a daily basis	N/A		1.59		%
Weighted average interest rate at period end	N/A		0.20

Credit Facilities

At June 30, 2021, 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:

(Amounts in Millions, Except Interest Rates)	Three Months Ended June 30, 2021			Year Ended Dec. 31, 2020
Borrowing limit	$	250		$	250
Amount outstanding at period end	—			57
Average amount outstanding	—			59
Maximum amount outstanding	8			250
Weighted average interest rate, computed on a daily basis	0.04		%	0.60		%
Weighted average interest rate at period end	N/A			0.07