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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Summary of Revenues Disaggregated by Type of Customer
The following table presents the Utility’s revenues disaggregated by type of customer:
Year Ended December 31,
(in millions)202420232022
Electric
Revenue from contracts with customers
   Residential$7,504 $6,041 $6,130 
   Commercial7,201 5,643 5,416 
   Industrial2,065 1,784 1,626 
   Agricultural1,815 1,413 1,830 
   Public street and highway lighting103 83 77 
   Other, net (1)
(47)136 (247)
      Total revenue from contracts with customers - electric18,641 15,100 14,832 
Regulatory balancing accounts (2)
(830)2,324 228 
Total electric operating revenue$17,811 $17,424 $15,060 
Natural gas
Revenue from contracts with customers
   Residential$3,089 $3,686 $3,353 
   Commercial984 1,052 1,005 
   Transportation service only1,815 1,603 1,534 
   Other, net (1)
159 (145)163 
      Total revenue from contracts with customers - gas6,047 6,196 6,055 
Regulatory balancing accounts (2)
561 808 565 
Total natural gas operating revenue6,608 7,004 6,620 
Total operating revenues$24,419 $24,428 $21,680 
(1) This activity is primarily related to the change in unbilled revenue and amounts subject to refund, partially offset by other miscellaneous revenue items.
(2) These amounts represent alternative revenues authorized to be billed or refunded to customers.
Schedule of Estimated Useful Lives and Balances of Utility's Property, Plant and Equipment The Utility’s estimated service lives of its property, plant, and equipment were as follows:
 Estimated ServiceBalance at December 31,
(in millions, except estimated service lives)Lives (years)20242023
Electricity generating facilities (1)
1 to 75
$11,420 $11,423 
Electricity distribution facilities
10 to 70
49,821 45,205 
Electricity transmission facilities
15 to 75
18,481 17,562 
Natural gas distribution facilities
15 to 60
17,213 16,324 
Natural gas transmission and storage facilities
15 to 68
11,117 10,496 
General plant and other
5 to 50
10,210 9,165 
Financing lease814 787 
Construction work in progress4,458 4,452 
Total property, plant, and equipment123,534 115,414 
Accumulated depreciation(35,304)(33,093)
Net property, plant, and equipment (2)
$88,230 $82,321 
(1) Balance includes nuclear fuel inventories, which are stated at weighted-average cost. Nuclear fuel in the reactor is expensed as it is used based on the amount of energy output. See Note 15 below. Nuclear generating facilities have been authorized by the CPUC to be fully depreciated by December 31, 2025.
(2) Includes $3.0 billion of fire risk mitigation-related property, plant, and equipment securitized in accordance with AB 1054.
Changes In Asset Retirement Obligations
The following table summarizes the changes in ARO during 2024 and 2023, including nuclear decommissioning obligations:
(in millions)20242023
ARO liability at beginning of year$5,512 $5,912 
Revision in estimated cash flows(290)(585)
Accretion269 253 
Liabilities settled(47)(68)
ARO liability at end of year$5,444 $5,512 
Schedule Of Government Assistance
The following table summarizes where DWR loan activity is presented in PG&E Corporation’s and the Utility’s Consolidated Financial Statements:
(in millions)
202420232022
Long-term debt:
Beginning Balance - DWR loan outstanding
$98 $312 $— 
Proceeds received
980 — 350 
Operating Expenses:
Operating and maintenance expense - Performance-based disbursements
(117)(124)(38)
Operating and maintenance expense - Loan forgiveness and other adjustments
(75)(90)— 
Long-term debt:
Ending Balance - DWR loan outstanding$886 $98 $312 
Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income
The changes, net of income tax, in PG&E Corporation’s Accumulated other comprehensive income (loss) for the year ended December 31, 2024 consisted of the following:
(in millions, net of income tax)Pension
Benefits		Other
Benefits
Available-for-Sale Securities(2)
Total
Beginning balance$(28)$18 $2 $(8)
Other comprehensive income before reclassifications:
Unrealized gain on investments (net of taxes of $0, $0 and $0, respectively)
— — 1 1 
Unrecognized net actuarial gain (loss) (net of taxes of $104, $11 and $0, respectively)
(268)29 — (239)
Regulatory account transfer (net of taxes of $101, $11 and $0, respectively)
260 (29)— 231 
Amounts reclassified from other comprehensive income:
Amortization of prior service cost (credit) (net of taxes of $1, $1 and $0, respectively) (1)
(2)2 — — 
Amortization of net actuarial (gain) loss (net of taxes of $0, $6 and $0, respectively) (1)
1 (16)— (15)
Regulatory account transfer (net of taxes of $1, $5 and $0, respectively) (1)
2 14 — 16 
Net current period other comprehensive income(7)— 1 (6)
Ending balance$(35)$18 $3 $(14)
(1) These components are included in the computation of net periodic pension and other postretirement benefit costs.  See Note 12 below for additional details.
(2) Includes amounts related to the customer credit trust and Pacific Energy Risk Solutions, LLC.

The changes, net of income tax, in PG&E Corporation’s Accumulated other comprehensive income (loss) for the year ended December 31, 2023 consisted of the following:
(in millions, net of income tax)Pension
Benefits		Other
Benefits		Customer Credit TrustTotal
Beginning balance$(12)$18 $(6)$— 
Other comprehensive income before reclassifications:
Unrealized gain on investments (net of taxes of $0, $0 and $3, respectively)
— — 8 8 
Unrecognized net actuarial gain (loss) (net of taxes of $76, $28 and $0, respectively)
(196)73 — (123)
Regulatory account transfer (net of taxes of $70, $28 and $0, respectively)
180 (73)— 107 
Amounts reclassified from other comprehensive income:
Amortization of prior service cost (credit) (net of taxes of $1, $1 and $0, respectively) (1)
(3)2 — (1)
Amortization of net actuarial (gain) loss (net of taxes of $0, $5 and $0, respectively)(1)
1 (14)— (13)
Regulatory account transfer (net of taxes of $1, $4 and $0, respectively) (1)
2 12 — 14 
Net current period other comprehensive income (loss)(16)— 8 (8)
Ending balance$(28)$18 $2 $(8)
(1) These components are included in the computation of net periodic pension and other postretirement benefit costs.  See Note 12 below for additional details.
Schedule of Lease Expense
The following table shows the lease cost recognized for the fixed and variable component of the Utility’s lease obligations:
Year Ended December 31,
(in millions)20242023
Financing lease fixed cost:
Amortization of ROU assets$274 $115 
Interest on lease liabilities42 27 
Financing lease variable cost9 3 
Total financing lease costs$325 $145 
The following table shows the lease cost recognized for the fixed and variable component of the Utility’s lease obligations:
Year Ended December 31,
(in millions)202420232022
Operating lease fixed cost$116 $269 $500 
Operating lease variable cost1,524 1,632 1,829 
Total operating lease costs$1,640 $1,901 $2,329 
Schedule of Future Expected Operating Lease Payments
At December 31, 2024, the Utility’s future expected operating lease payments were as follows:
(in millions)December 31, 2024
2025$116 
2026112 
2027110 
202897 
202962 
Thereafter195 
Total lease payments692 
Less imputed interest(173)
Total$519