XML 70 R59.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Leases (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Lessee, Lease, Description [Line Items]      
Finance Lease, Right-of-Use Asset, Amortization $ 1 $ 1  
Finance Lease, Interest Expense 4 4  
Finance Lease, Cost 5 5  
Operating Lease, Cost [1] 69 72  
Lessee, Operating Lease, Liability, to be Paid 1,450    
Finance Lease, Liability, Payment, Due [2] 215    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount (242)    
Finance Lease, Liability, Undiscounted Excess Amount [2] (152)    
Operating Lease, Liability 1,208    
Finance Lease, Liability [2] 63    
Operating Lease, Liability, Current (228)   $ (226)
Finance Lease, Liability, Current [2] (2)    
Operating lease liabilities 980   $ 1,038
Finance Lease, Liability, Noncurrent [2] 61    
Short-term Lease, Cost $ 1 2  
WYCO, Inc.      
Lessee, Lease, Description [Line Items]      
Equity Method Investment, Ownership Percentage 50.00%    
PPAs      
Lessee, Lease, Description [Line Items]      
Operating Lease, Cost $ 58 60  
Lessee, Operating Lease, Liability, to be Paid 1,173    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount (146)    
Operating Lease, Liability 1,027    
Property, Plant and Equipment, Other Types      
Lessee, Lease, Description [Line Items]      
Operating Lease, Cost [3] 11 $ 12  
Lessee, Operating Lease, Liability, to be Paid 277    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount (96)    
Operating Lease, Liability $ 181    
[1] PPA capacity payments are included in electric fuel and purchased power on the consolidated statements of income. Expense for other operating leases is included in O&M expense and electric fuel and purchased power.
[2] Excludes certain amounts related to Xcel Energy’s 50% ownership interest in WYCO.
[3] Includes short-term lease expense of $1 million and $2 million for 2024 and 2023, respectively.