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Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 230
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Amount of prescription drug subsidy receipt expected after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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Amount of prescription drug subsidy receipt expected in next fiscal year following current fiscal year.

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Amount of prescription drug subsidy receipt expected in fifth fiscal year following current fiscal year.

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Amount of prescription drug subsidy receipt expected in fourth fiscal year following current fiscal year.

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Amount of prescription drug subsidy receipt expected in third fiscal year following current fiscal year.

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Amount of prescription drug subsidy receipt expected in second fiscal year following current fiscal year.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in the five fiscal years thereafter (the aggregate net amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

+ References

No definition available.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in Year 5 after the balance sheet date.

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No definition available.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in Year 4 after the balance sheet date.

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No definition available.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in Year 1 after the balance sheet date.

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No definition available.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in Year 3 after the balance sheet date.

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No definition available.

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The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in Year 2 after the balance sheet date.

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No definition available.

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-- None. No documentation exists for this element. --

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Projected Benefit Payments (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan [Member]
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2025			$ 235
2026			226
2027			229
2028			231
2029			237
2030-2034			$ 1,137
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			100.00%	100.00%
Pension Plan [Member] \| Equity Securities [Member]
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			31.00%	31.00%
Pension Plan [Member] \| Long-duration fixed income and interest rate swap securities
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			38.00%	38.00%
Pension Plan [Member] \| Short-to-intermediate fixed income securities
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			9.00%	9.00%
Pension Plan [Member] \| Alternative investments
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			20.00%	20.00%
Pension Plan [Member] \| Cash equivalents
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			2.00%	2.00%
Pension Plan [Member] \| Xcel Energy [Member]
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits			$ 100	$ 50	$ 50
Pension Plan [Member] \| Xcel Energy [Member] \| Subsequent Event
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits	$ 125
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2025			44
2026			43
2027			42
2028			42
2029			40
2030-2034			187
Expected Medicare Part D Subsidies [Abstract]
2023			3
2024			3
2025			3
2026			3
2027			3
2028-2032			18
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
2023			41
2026			40
2027			39
2028			39
2029			37
2030-2034			$ 169
Target pension asset allocations (as a percent)			100.00%	100.00%
Other Postretirement Benefits Plan [Member] \| Equity Securities [Member]
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			25.00%	9.00%
Other Postretirement Benefits Plan [Member] \| Long-duration fixed income and interest rate swap securities
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			0.00%	0.00%
Other Postretirement Benefits Plan [Member] \| Short-to-intermediate fixed income securities
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			61.00%	77.00%
Other Postretirement Benefits Plan [Member] \| Alternative investments
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			11.00%	13.00%
Other Postretirement Benefits Plan [Member] \| Cash equivalents
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			3.00%	1.00%
Defined Benefit Plan, Overfunded Plan [Member] \| Xcel Energy [Member]
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits			$ 11	$ 11	$ 13
Defined Benefit Plan, Overfunded Plan [Member] \| Xcel Energy [Member] \| Subsequent Event
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits		$ 8