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- Definition

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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- Definition

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

+ References

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- Definition

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

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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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
-Topic 715
-SubTopic 20
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-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
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- Definition

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
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480266/715-60-50-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 1
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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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- Definition

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

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No definition available.

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- Definition

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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- Definition

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.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

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

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No definition available.

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- Definition

plan amendment

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No definition available.

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Projected Benefit Payments (Details) - USD ($)	1 Months Ended	12 Months Ended
Projected Benefit Payments (Details) - USD ($)	Jan. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
plan ammendment			$ 0
Pension Plan [Member]
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2024			398,000,000
2025			214,000,000
2026			217,000,000
2027			223,000,000
2028			226,000,000
2029 - 2033			$ 1,131,000,000
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%	33.00%
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%	18.00%
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			$ 50,000,000	$ 50,000,000	$ 131,000,000
Pension Plan [Member] \| Xcel Energy [Member] \| Subsequent Event
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits	$ 100,000,000
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2024			42,000,000
2025			40,000,000
2026			39,000,000
2027			37,000,000
2028			36,000,000
2029 - 2033			161,000,000
Expected Medicare Part D Subsidies [Abstract]
2023			2,000,000
2024			2,000,000
2025			2,000,000
2026			2,000,000
2027			2,000,000
2028-2032			12,000,000
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
2023			40,000,000
2025			38,000,000
2026			37,000,000
2027			35,000,000
2028			34,000,000
2029 - 2033			$ 149,000,000
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)			9.00%	16.00%
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)			77.00%	71.00%
Other Postretirement Benefits Plan [Member] \| Alternative investments
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			13.00%	12.00%
Other Postretirement Benefits Plan [Member] \| Cash equivalents
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Target pension asset allocations (as a percent)			1.00%	1.00%
Defined Benefit Plan, Overfunded Plan [Member] \| Xcel Energy [Member]
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits			$ 11,000,000	$ 13,000,000	$ 15,000,000
Defined Benefit Plan, Overfunded Plan [Member] \| Xcel Energy [Member] \| Subsequent Event
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
Payment for Pension Benefits		$ 11,000,000