Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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FAIR VALUE MEASUREMENTS (Carrying Amount and Fair Value of Financial Instruments) (Details) - USD ($)	Apr. 26, 2018	Sep. 30, 2018	Apr. 30, 2018	Dec. 31, 2017
Senior Notes Two Point Four Zero Percent Due 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Redemption of debt	$ 350,000,000
Debt instrument, interest rate	2.40%	2.40%
Unsecured Debt \| Floating Rate Unsecured Term Loan, Due 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, face amount			$ 350,000,000
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt financial instrument		$ 350,000,000		$ 350,000,000
Pacific Gas & Electric Co \| Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt financial instrument		16,413,000,000		19,128,000,000
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt financial instrument		350,000,000		350,000,000
Carrying Amount \| Pacific Gas & Electric Co
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt financial instrument		$ 17,491,000,000		$ 17,090,000,000