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DEBT (Outstanding Borrowings and Availability) (Details) - USD ($) | Sep. 30, 2025 | Jun. 26, 2025 | Jun. 23, 2025 | Jun. 22, 2025 | Dec. 31, 2024
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Utility revolving credit facility |  |  |  |  |
Debt [Line Items] |  |  |  |  |
Maximum Facility Limit | $ 7,800,000,000 |  |  |  |
Loans Outstanding | (1,750,000,000) |  |  |  |
Letters of Credit Outstanding | (320,000,000) |  |  |  |
Facility Availability | 5,730,000,000 |  |  |  |
Utility revolving credit facility | PG&E Corporation revolving credit facility |  |  |  |  |
Debt [Line Items] |  |  |  |  |
Maximum Facility Limit | 650,000,000 |  | $ 650,000,000 | $ 500,000,000 |
Loans Outstanding | 0 |  |  |  |
Letters of Credit Outstanding | 0 |  |  |  |
Facility Availability | 650,000,000 |  |  |  |
Utility revolving credit facility | Utility |  |  |  |  |
Debt [Line Items] |  |  |  |  |
Maximum Facility Limit | 5,400,000,000 |  | $ 5,400,000,000 | $ 4,400,000,000 |
Loans Outstanding | 0 |  |  |  |
Letters of Credit Outstanding | (320,000,000) |  |  |  |
Facility Availability | 5,080,000,000 |  |  |  |
Letter of credit sublimit | 2,000,000,000 |  |  |  |
Utility Receivables Securitization Program | Utility |  |  |  |  |
Debt [Line Items] |  |  |  |  |
Maximum Facility Limit | 1,750,000,000 | $ 1,500,000,000 |  |  |
Loans Outstanding | (1,750,000,000) |  |  |  | $ 0
Letters of Credit Outstanding | 0 |  |  |  |
Facility Availability | $ 0 |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477548/944-605-55-15 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477548/944-605-55-12 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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