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DEBT (Outstanding Borrowings and Availability) (Details) - USD ($) | Sep. 30, 2023 | Jun. 09, 2023 | Jun. 08, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Revolving Credit Facility |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 6,400,000,000 |  |  |
Loans Outstanding | (1,955,000,000) |  |  |
Letters of Credit Outstanding | (647,000,000) |  |  |
Facility Availability | 3,798,000,000 |  |  |
Revolving Credit Facility | PG&E Corporation |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 500,000,000 |  |  |
Loans Outstanding | 0 |  |  |
Letters of Credit Outstanding | 0 |  |  |
Facility Availability | 500,000,000 |  |  |
Revolving Credit Facility | Pacific Gas & Electric Co (Utility) |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 4,400,000,000 |  |  |
Loans Outstanding | (455,000,000) |  |  |
Letters of Credit Outstanding | (647,000,000) |  |  |
Facility Availability | 3,298,000,000 |  |  |
Letter of credit sublimit | 2,000,000,000 |  |  |
Revolving Credit Facility | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 1,250,000,000 | $ 1,000,000,000.0 |
Receivables Securitization Program | Pacific Gas & Electric Co (Utility) |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 1,500,000,000 |  |  |
Loans Outstanding | (1,500,000,000) |  |  | $ (1,200,000,000)
Letters of Credit Outstanding | 0 |  |  |
Facility Availability | 0 |  |  |
Receivables Securitization Program | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 1,250,000,000 |  |  |
Receivables Securitization Program | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |
Debt [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 1,500,000,000 |  |  |

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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//1943274/2147479853/942-210-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 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 -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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