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Borrowings and Other Financing Instruments (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt Disclosure [Abstract] |
Commercial paper and term loan borrowings | Commercial paper and term loan borrowings outstanding for Xcel Energy:
(Amounts in Millions, Except Interest Rates) |  | Three Months Ended Sept. 30, 2023 |  | Year Ended Dec. 31, 2022
Borrowing limit |  | $ | 3,550 |  |  | $ | 3,550 |
Amount outstanding at period end |  | — |  |  | 813 |
Average amount outstanding |  | 190 |  |  | 552 |
Maximum amount outstanding |  | 613 |  |  | 1,357 |
Weighted average interest rate, computed on a daily basis |  | 5.35 | % |  | 1.47 | %
Weighted average interest rate at period end |  | N/A |  | 4.66 |
Credit Facilities | As of Sept. 30, 2023, Xcel Energy Inc. and its utility subsidiaries had the following committed revolving credit facilities available:
(Millions of Dollars) |  | Credit Facility (a) |  | Drawn (b) |  | Available
Xcel Energy Inc. |  | $ | 1,500 |  |  | $ | — |  |  | $ | 1,500 |
PSCo |  | 700 |  |  | 29 |  |  | 671 |
NSP-Minnesota |  | 700 |  |  | 15 |  |  | 685 |
SPS |  | 500 |  |  | 2 |  |  | 498 |
NSP-Wisconsin |  | 150 |  |  | — |  |  | 150 |
Total |  | $ | 3,550 |  |  | $ | 46 |  |  | $ | 3,504 |
(a)Expires in September 2027. (b)Includes outstanding commercial paper and letters of credit.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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