Asset Retirement Obligations (AROs) (Tables)

12 Months Ended

Dec. 31, 2017

Asset Retirement Obligation [Abstract]

Impact Of The Revisions On Asset Retirement Obligation

The changes to the ARO liabilities for PSEG, PSE&G and Power during 2016 and 2017 are presented in the following table:

	PSEG			PSE&G			Power			Other
	Millions
ARO Liability as of January 1, 2016	$	679		$	218		$	457		$	4
Liabilities Settled	(13		)	(9		)	(4		)	—
Liabilities Incurred	25			2			23			—
Accretion Expense	26			—			26			—
Accretion Expense Deferred and Recovered in Rate Base (A)	12			12			—			—
Revision to Present Values of Estimated Cash Flows	(3		)	(10		)	9			(2		)
ARO Liability as of December 31, 2016	$	726		$	213		$	511		$	2
Liabilities Settled	(29		)	(8		)	(21		)	—
Liabilities Incurred	1			—			1			—
Accretion Expense	30			—			30			—
Accretion Expense Deferred and Recovered in Rate Base (A)	12			12			—			—
Revision to Present Values of Estimated Cash Flows	284			(5		)	289			—
ARO Liability as of December 31, 2017	$	1,024		$	212		$	810		$	2

(A) Not reflected as expense in Consolidated Statements of Operations