This element represents disclosure of the total aggregate cash dividends paid to the entity by consolidated subsidiaries, by unconsolidated subsidiaries, and by 50% or less owned persons accounted for using the equity method.

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Schedule Of Consolidated Debt (Long-Term Debt Financing Transactions) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,300
Power [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,700
Proceeds from Contributed Capital	0	24	69
Cash Dividends Paid to Parent Company	895
Power [Member] \| Senior Notes Four Point Three Percent Due Two Thousand Twenty Three [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	4.30%
Power [Member] \| Senior Notes Two Point Four Five Percentage Due Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	2.45%
PSE&G [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	600
Proceeds from Contributed Capital	175	100	0
PSE&G [Member] \| Medium Term Notes One Point Eight Percent Due In Two Thousand Nineteen [Member] [Domain]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	250
Stated interest rate of debt instrument	1.80%
PSE&G [Member] \| Medium Term Notes Two Point Three Zero Percent Due In Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	2.30%
PSE&G [Member] \| Medium Term Notes Three Point Seven Five Percent Due In Two Thousand Twenty Four [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	3.75%
PSE&G [Member] \| Medium Term Notes Two Point Three Eight Percent Due In Two Thousand Twenty Three [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	2.375%
PSE&G [Member] \| Medium Term Notes Three Point Eight Zero Percent Due In Two Thousand Forty Three [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	3.80%
PSE&G [Member] \| Medium Term Notes Four Point Zero Percent due Two Thousand Forty Four [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	250
Stated interest rate of debt instrument	4.00%
PSE&G [Member] \| Medium Term Notes Two Point Zero Percent Due In Two Thousand Nineteen [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	250
Stated interest rate of debt instrument	2.00%
PSE&G [Member] \| Medium Term Notes Three Point One Five Percent Due In Two Thousand Twenty Four [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	250
Stated interest rate of debt instrument	3.15%
PSE&G [Member] \| Medium Term Notes Three Point Zero Five Percent Due In Two Thousand Twenty Four [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt	250
Stated interest rate of debt instrument	3.05%
PSE&G [Member] \| Medium Term Notes Zero Point Eight Five Percentage Due On Two Thousand Fourteen [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	0.85%
Repayments of Long-term Debt	250
PSE&G [Member] \| Medium Term Notes Five Point Zero Zero Percentage Due On Two Thousand Fourteen [Member]
Debt Instrument [Line Items]
Stated interest rate of debt instrument	5.00%
Repayments of Long-term Debt	250
PSE&G [Member] \| Transition Fundings Securitization Debt [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	225
PSE&G [Member] \| Transition Fundings Ii Securitization Debt [Member]
Debt Instrument [Line Items]
Repayments of Long-term Debt	$ 12