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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2025
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)202520242023
Electric
Revenue from contracts with customers
   Residential$6,976 $7,504 $6,041 
   Commercial7,022 7,201 5,643 
   Industrial1,929 2,065 1,784 
   Agricultural1,825 1,815 1,413 
   Public street and highway lighting105 103 83 
   Other, net (1)
72 (47)136 
      Total revenue from contracts with customers - electric17,929 18,641 15,100 
Regulatory balancing accounts (2)
389 (830)2,324 
Total electric operating revenue$18,318 $17,811 $17,424 
Natural gas
Revenue from contracts with customers
   Residential$3,651 $3,089 $3,686 
   Commercial1,074 984 1,052 
   Transportation service only1,937 1,815 1,603 
   Other, net (1)
101 159 (145)
      Total revenue from contracts with customers - gas6,763 6,047 6,196 
Regulatory balancing accounts (2)
(146)561 808 
Total natural gas operating revenue6,617 6,608 7,004 
Total operating revenues$24,935 $24,419 $24,428 
(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)20252024
Electricity generating facilities (1)
1 to 75
$11,986 $11,420 
Electricity distribution facilities
5 to 70
57,174 49,821 
Electricity transmission facilities
5 to 80
20,959 18,481 
Natural gas distribution facilities
15 to 60
18,240 17,213 
Natural gas transmission and storage facilities
15 to 68
11,315 11,117 
General plant and other
5 to 50
9,315 10,210 
Financing lease2 814 
Construction work in progress4,626 4,458 
Total property, plant, and equipment133,617 123,534 
Accumulated depreciation(37,269)(35,304)
Net property, plant, and equipment (2)
$96,348 $88,230 
(1) Balance includes nuclear fuel inventories, which are stated at weighted-average cost. See Note 15 below. Nuclear generating facilities have been fully depreciated by December 31, 2025.
(2) Includes $2.9 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 2025 and 2024, including nuclear decommissioning obligations:
(in millions)20252024
ARO liability at beginning of year$5,444 $5,512 
Revision in estimated cash flows(274)(290)
Accretion290 269 
Liabilities settled(21)(47)
ARO liability at end of year$5,439 $5,444 
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)
202520242023
Long-term debt:
Beginning Balance - DWR loan outstanding
$886 $98 $312 
Proceeds received
— 980 — 
Operating Expenses:
Operating and maintenance expense - Performance-based disbursements
(21)(117)(124)
Operating and maintenance expense - Loan forgiveness and other adjustments
(127)(75)(90)
Long-term debt:
Ending Balance - DWR loan outstanding$738 $886 $98 
Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income
The changes, net of income tax, in PG&E Corporation’s Accumulated other comprehensive income (loss) for the year ended December 31, 2025 consisted of the following:
(in millions, net of income tax)Pension
Benefits		Other
Benefits
Available-for-Sale Securities(2)
Total
Beginning balance$(35)$18 $3 $(14)
Other comprehensive income before reclassifications:
Unrealized loss on investments (net of taxes of $0, $0 and $2, respectively)
— — 5 5 
Unrecognized net actuarial gain (loss) (net of taxes of $84, $25 and $0, respectively)
215 (64)— 151 
Regulatory account transfer (net of taxes of $89, $25 and $0, respectively)
(228)64 — (164)
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 $1, $6 and $0, respectively) (1)
1 (15)— (14)
Regulatory account transfer (net of taxes of $1, $5 and $0, respectively) (1)
2 14 — 16 
Net current period other comprehensive income(12)1 5 (6)
Ending balance$(47)$19 $8 $(20)
(1) These components are included in the computation of net periodic pension and other postretirement benefit costs.  See Note 12 below for additional details.
(2) Includes amounts related to the customer credit trust and self-insurance.
The changes, net of income tax, in PG&E Corporation’s Accumulated other comprehensive income (loss) for the year ended December 31, 2024 consisted of the following:
(in millions, net of income tax)Pension
Benefits		Other
Benefits
Available-for-Sale Securities(2)
Total
Beginning balance$(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 $0, respectively) (1)
2 14 — 16 
Net current period other comprehensive income (loss)(7)— 1 (6)
Ending balance$(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 wildfire self-insurance.
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)202520242023
Financing lease fixed cost:
Amortization of ROU assets$583 $274 $115 
Interest on lease liabilities16 42 27 
Financing lease variable cost(1)9 3 
Total financing lease costs$598 $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)202520242023
Operating lease fixed cost$115 $116 $269 
Operating lease variable cost1,487 1,524 1,632 
Total operating lease costs$1,602 $1,640 $1,901 
Schedule of Future Expected Operating Lease Payments
At December 31, 2025, the Utility’s future expected operating lease payments were as follows:
(in millions)December 31, 2025
2026$115 
2027112 
202898 
202964 
203034 
Thereafter165 
Total lease payments588 
Less imputed interest(143)
Total$445