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v3.25.3

Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |
Finance Lease, Right-of-Use Asset, Amortization |  | $ 4 |  | $ 1 |  | $ 6 |  | $ 3 |  |
Finance Lease, Interest Expense |  | 14 |  | 4 |  | 22 |  | 11 |  |
Finance Lease, Cost |  | 18 |  | 5 |  | 28 |  | 14 |  |
Operating Lease, Cost |  | 56 |  | 68 |  | 190 |  | 205 |  |
Lessee, Operating Lease, Liability, to be Paid |  | 1,183 |  |  |  | 1,183 |  |  |  |
Finance Lease, Liability, Payment, Due | [1] | 2,211 |  |  |  | 2,211 |  |  |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount |  | (298) |  |  |  | (298) |  |  |  |
Finance Lease, Liability, Undiscounted Excess Amount | [1] | (900) |  |  |  | (900) |  |  |  |
Operating Lease, Liability |  | 885 |  |  |  | 885 |  |  |  |
Finance Lease, Liability | [1] | 1,311 |  |  |  | 1,311 |  |  |  |
Operating Lease, Liability, Current |  | (114) |  |  |  | (114) |  |  |  | $ (227)
Finance Lease, Liability, Current | [1] | (39) |  |  |  | (39) |  |  |  |
Operating lease liabilities |  | 771 |  |  |  | 771 |  |  |  | 867
Finance Lease, Liability, Noncurrent |  | 1,272 | [1] |  |  | 1,272 | [1] |  |  | $ 60
NSP-Minnesota |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |
Finance Lease, Liability, Current |  | (37) |  |  |  | (37) |  |  |  |
Finance Lease, Liability, Noncurrent |  | $ 1,200 |  |  |  | $ 1,200 |  |  |  |
WYCO, Inc. |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 50.00% |  |  |  | 50.00% |  |  |  |
PPAs |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |
Operating Lease, Cost |  | $ 47 |  | 57 |  | $ 158 |  | 172 |  |
Lessee, Operating Lease, Liability, to be Paid |  | 667 |  |  |  | 667 |  |  |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount |  | (98) |  |  |  | (98) |  |  |  |
Operating Lease, Liability |  | 569 |  |  |  | 569 |  |  |  |
Property, Plant and Equipment, Other Types |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |
Operating Lease, Cost |  | 9 | [2] | $ 11 | [2] | 32 | [3] | $ 33 | [3] |
Lessee, Operating Lease, Liability, to be Paid |  | 516 |  |  |  | 516 |  |  |  |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount |  | (200) |  |  |  | (200) |  |  |  |
Operating Lease, Liability |  | $ 316 |  |  |  | $ 316 |  |  |  |
[1] | Excludes certain amounts related to PSCo’s lease obligations given Xcel Energy’s 50% ownership interest in WYCO.
[2] | Includes immaterial short-term lease expense.
[3] | Includes immaterial short-term lease expense.

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