v3.24.2
Balance Sheet Components (Tables)
 6 Months Ended
Jun. 30, 2024
Balance Sheet Components [Abstract]  
Allowance for Credit Losses [Text Block] The following summarizes activity during 2024 in the allowance for credit losses (in millions):
Three Months Ended June 30, Six Months Ended June 30,
Balance as of beginning of period$11 $9 
Increase in provision2 5 
Amounts written off(4)(6)
Recoveries2 3 
Balance as of end of period$11 $11 
Schedule of Other Current Assets [Table Text Block]
Other current assets consist of the following (in millions):
June 30, 2024December 31, 2023
Prepaid expenses$83 $68 
Assets from price risk management activities37 22 
Margin deposits55 92 
Other current assets$175 $182 
Schedule of Public Utility Property, Plant, and Equipment [Table Text Block]
Electric utility plant, net consists of the following (in millions):         
June 30, 2024December 31, 2023
Electric utility plant in-service$14,126 $13,329 
Construction work-in-progress690 974 
Total cost14,816 14,303 
Less: accumulated depreciation and amortization(4,943)(4,757)
Electric utility plant, net$9,873 $9,546 
Schedule of Regulatory Assets and Liabilities [Text Block]
Regulatory assets and liabilities consist of the following (in millions):
June 30, 2024December 31, 2023
CurrentNoncurrentCurrentNoncurrent
Regulatory assets:
Price risk management$105 $48 $143 $63 
Reliability contingency events
— 77 — — 
Pension and other postretirement plans— 104 — 104 
Trojan decommissioning activities— 142 — 139 
February 2021 ice storm and damage13 50 12 55 
January 2024 storm and damage
— 44 — — 
2020 Labor Day wildfire5 21 5 23 
Wildfire mitigation19 21 19 10 
Other23 110 42 98 
Total regulatory assets$165 $617 $221 $492 
Regulatory liabilities:
Asset retirement removal costs$— $1,188 $— $1,173 
Deferred income taxes— 167 — 177 
Clearwater RAC
— 13 — — 
Other55 38 48 48 
Total regulatory liabilities$55 
*
$1,406 $48 
*
$1,398 
* Included in Accrued expenses and other current liabilities in the condensed consolidated balance sheets.
Other Liabilities Disclosure [Text Block]
Accrued expenses and other current liabilities consist of the following (in millions):
June 30, 2024December 31, 2023
Accrued employee compensation and benefits$56 $74 
Accrued taxes payable28 30 
Accrued interest payable48 40 
Accrued dividends payable53 51 
Regulatory liabilities—current55 48 
Other105 112 
Total accrued expenses and other current liabilities$345 $355 
Pension and Other Postretirement Benefits Disclosure [Text Block]
Components of net periodic benefit cost under the defined benefit pension plan are as follows (in millions):
Three Months Ended June 30, Six Months Ended June 30,
2024202320242023
Service cost$3 $3 $5 $6 
Interest cost*8 9 17 18 
Expected return on plan assets*(10)(11)(20)(22)
Net periodic benefit cost$1 $1 $2 $2 

* The net expense portion of non-service cost components are included in Miscellaneous income, net within Other income on the Company’s condensed consolidated statements of income and comprehensive income.