Organization and Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2018

Basis of Presentation

Basis of Presentation

The financial statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) applicable to Quarterly Reports on Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations. These Condensed Consolidated Financial Statements and Notes to Condensed Consolidated Financial Statements (Notes) should be read in conjunction with, and update and supplement matters discussed in, the Annual Report on Form 10-K for the year ended December 31, 2017.

The unaudited condensed consolidated financial information furnished herein reflects all adjustments which are, in the opinion of management, necessary to fairly state the results for the interim periods presented. All such adjustments are of a normal recurring nature. All significant intercompany accounts and transactions are eliminated in consolidation. The year-end Condensed Consolidated Balance Sheets were derived from the audited Consolidated Financial Statements included in the Annual Report on Form 10-K for the year ended December 31, 2017.

Cash, Cash Equivalents and Restricted Cash, Policy [Policy Text Block]

Cash, Cash Equivalents and Restricted Cash

Cash equivalents consist of short-term, highly liquid investments with original maturities of three months or less. Restricted cash consists primarily of deposits received related to various construction projects at PSE&G.

The followingprovides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts for the beginning (December 31, 2017) and ending periods shown in the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018.

	PSE&G		Power		Other (A)		Consolidated
	Millions
As of December 31, 2017
Cash and Cash Equivalents	$	242	$	32	$	39	$	313
Restricted Cash in Other Current Assets	—		—		—		—
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	244	$	32	$	39	$	315
As of March 31, 2018
Cash and Cash Equivalents	$	48	$	11	$	59	$	118
Restricted Cash in Other Current Assets	14		—		—		14
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	64	$	11	$	59	$	134

(A) Includes amounts applicable to PSEG (parent corporation), Energy Holdings and Services.

Power [Member]

Basis of Presentation

Basis of Presentation

The financial statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) applicable to Quarterly Reports on Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations. These Condensed Consolidated Financial Statements and Notes to Condensed Consolidated Financial Statements (Notes) should be read in conjunction with, and update and supplement matters discussed in, the Annual Report on Form 10-K for the year ended December 31, 2017.

The unaudited condensed consolidated financial information furnished herein reflects all adjustments which are, in the opinion of management, necessary to fairly state the results for the interim periods presented. All such adjustments are of a normal recurring nature. All significant intercompany accounts and transactions are eliminated in consolidation. The year-end Condensed Consolidated Balance Sheets were derived from the audited Consolidated Financial Statements included in the Annual Report on Form 10-K for the year ended December 31, 2017.

Cash, Cash Equivalents and Restricted Cash, Policy [Policy Text Block]

Cash, Cash Equivalents and Restricted Cash

Cash equivalents consist of short-term, highly liquid investments with original maturities of three months or less. Restricted cash consists primarily of deposits received related to various construction projects at PSE&G.

The followingprovides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts for the beginning (December 31, 2017) and ending periods shown in the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018.

	PSE&G		Power		Other (A)		Consolidated
	Millions
As of December 31, 2017
Cash and Cash Equivalents	$	242	$	32	$	39	$	313
Restricted Cash in Other Current Assets	—		—		—		—
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	244	$	32	$	39	$	315
As of March 31, 2018
Cash and Cash Equivalents	$	48	$	11	$	59	$	118
Restricted Cash in Other Current Assets	14		—		—		14
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	64	$	11	$	59	$	134

(A) Includes amounts applicable to PSEG (parent corporation), Energy Holdings and Services.

PSE And G [Member]

Basis of Presentation

Basis of Presentation

The financial statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (SEC) applicable to Quarterly Reports on Form 10-Q. Certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (GAAP) have been condensed or omitted pursuant to such rules and regulations. These Condensed Consolidated Financial Statements and Notes to Condensed Consolidated Financial Statements (Notes) should be read in conjunction with, and update and supplement matters discussed in, the Annual Report on Form 10-K for the year ended December 31, 2017.

The unaudited condensed consolidated financial information furnished herein reflects all adjustments which are, in the opinion of management, necessary to fairly state the results for the interim periods presented. All such adjustments are of a normal recurring nature. All significant intercompany accounts and transactions are eliminated in consolidation. The year-end Condensed Consolidated Balance Sheets were derived from the audited Consolidated Financial Statements included in the Annual Report on Form 10-K for the year ended December 31, 2017.

Cash, Cash Equivalents and Restricted Cash, Policy [Policy Text Block]

Cash, Cash Equivalents and Restricted Cash

Cash equivalents consist of short-term, highly liquid investments with original maturities of three months or less. Restricted cash consists primarily of deposits received related to various construction projects at PSE&G.

The followingprovides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts for the beginning (December 31, 2017) and ending periods shown in the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018.

	PSE&G		Power		Other (A)		Consolidated
	Millions
As of December 31, 2017
Cash and Cash Equivalents	$	242	$	32	$	39	$	313
Restricted Cash in Other Current Assets	—		—		—		—
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	244	$	32	$	39	$	315
As of March 31, 2018
Cash and Cash Equivalents	$	48	$	11	$	59	$	118
Restricted Cash in Other Current Assets	14		—		—		14
Restricted Cash in Other Noncurrent Assets	2		—		—		2
Cash, Cash Equivalents and Restricted Cash	$	64	$	11	$	59	$	134

(A) Includes amounts applicable to PSEG (parent corporation), Energy Holdings and Services.