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DEBT (Narrative) (Details) |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 08, 2023 USD ($) | Dec. 07, 2023 | Dec. 04, 2023 USD ($) day $ / shares | Nov. 15, 2023 USD ($) | Jun. 22, 2023 USD ($) numberOfExtensionOption | Apr. 18, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Nov. 08, 2023 USD ($) | Jun. 09, 2023 USD ($) | Jun. 08, 2023 USD ($) | Jun. 05, 2023 USD ($) | Mar. 30, 2023 USD ($) | Jan. 06, 2023 USD ($)
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  | $ 3,075,000,000 | $ 5,968,000,000 | $ 87,000,000 |  |  |  |  |  |
Debt financial instrument |  |  |  |  |  |  | 50,975,000,000 | 47,742,000,000 |  |  |  |  |  |  |
PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  | 0 | 28,000,000 | 28,000,000 |  |  |  |  |  |
Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt |  |  |  |  |  |  | 3,075,000,000 | 5,941,000,000 | $ 59,000,000 |  |  |  |  |  |
Pacific Gas & Electric Co (Utility) | Letter of Credit Subfacility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  | $ 2,000,000,000 |  |  |  |  |  |  |  |  |  |
Pacific Gas & Electric Co (Utility) | Uncommitted Incremental Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |
364-Day 2023 Tranche Loans | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  | $ 125,000,000 |  |  |  |  |  |  |  |  |
364-Day 2023 Tranche Loans | Pacific Gas & Electric Co (Utility) | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit spread adjustment |  |  |  |  |  | 0.10% |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 1.375% |  |  |  |  |  |  |  |  |
364-Day 2023 Tranche Loans | Pacific Gas & Electric Co (Utility) | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 0.375% |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | 3,249,000,000 |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 6,399,000,000 |  |  |  |  |  |  |  |
Revolving Credit Facility | PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 500,000,000 |  |  |  |  |  |  |  |
Number of extensions | numberOfExtensionOption |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Extension option, term |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | 1,750,000,000 |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 4,400,000,000 |  |  |  |  |  |  |  |
Number of extensions | numberOfExtensionOption |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Extension option, term |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
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 |  |  |
Bridge Term Loan Credit Agreement | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 2,100,000,000 |  |  |  |  |  |  |  |  |  |  |
Bridge Term Loan Credit Agreement | Pacific Gas & Electric Co (Utility) | SOFR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit spread adjustment |  |  |  | 0.10% |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |
Bridge Term Loan Credit Agreement | Pacific Gas & Electric Co (Utility) | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |
Term Loan | PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.50% | 3.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt | $ 11,000,000 |  | $ 2,150,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Unamortized discount and issuance costs |  |  |  |  |  |  | 26,000,000 |  |  |  |  |  |  |  |
Debt financial instrument | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan | SOFR | PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 1,900,000,000 | 0 |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,150,000,000 |  | $ 750,000,000
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 6.40% |  | 6.15%
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 6.15% |  |  |  |  |  |  |  |
First Mortgage Bonds Due 2033 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 6.40% |  |  |  |  |  |  |  |
First Mortgage Bonds Due 2053 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 | $ 750,000,000 | $ 750,000,000
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 6.75% | 6.70% | 675.00%
First Mortgage Bonds, Stated Maturity 2029 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 1,250,000,000 | 400,000,000 |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 850,000,000 |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 6.10% |  |
First Mortgage Bonds, Stated Maturity 2029 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 4.20% |  |  |  |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2029 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 6.10% |  |  |  |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2023 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 0 | 2,075,000,000 |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 375,000,000 |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 3.25% |  |
First Mortgage Bonds, Stated Maturity 2023 | Pacific Gas & Electric Co (Utility) | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 1.70% |  |  |  |  |  |  |  |
First Mortgage Bonds, Stated Maturity 2023 | Pacific Gas & Electric Co (Utility) | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 4.25% |  |  |  |  |  |  |  |
First Mortgage Bonds Due August 2023 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 4.25% |  |
First Mortgage Bonds Due 2034 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 800,000,000 | 0 |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 800,000,000 |  |  |  |  |
Interest rate |  |  |  |  |  |  | 6.95% |  |  | 6.95% |  |  |  |  |
First Mortgage Bonds Due November 2023 | Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 900,000,000 |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  | 1.70% |  |  |  |  |
Convertible Notes Due 2027 | PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  |  |  |  | $ 2,150,000,000 | $ 0 |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 4.25% |  |  |  |  |  |  |  |
Convertible Notes Due 2027 | PG&E Corporation | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt financial instrument |  |  | 2,120,000,000 |  |  |  | $ 2,120,000,000 |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 2,150,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 4.25% |  |  |  |  |  |  |  |  |  |  |  |
Conversion rate |  |  | 0.0431416 |  |  |  |  |  |  |  |  |  |  |  |
Conversion price | $ / shares |  |  | $ 23.18 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  |  |  | 27,000,000 |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  | $ 7,000,000 |  |  |  |  |  |  |  |
Convertible Notes Due 2027 | PG&E Corporation | Secured Debt | Debt Conversion Terms One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | day |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days | day |  |  | 30 |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price |  |  | 130.00% |  |  |  |  |  |  |  |  |  |  |  |
Convertible Notes Due 2027 | PG&E Corporation | Secured Debt | Debt Conversion Terms Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | day |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days | day |  |  | 10 |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |

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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 Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-7 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-6 + Details
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- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
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- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
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