Condensed Consolidated Statements Of Operations (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Operating Revenues	$ 2,554	$ 2,402	$ 7,650	$ 7,375
Operating Expenses [Abstract]
Energy Costs	801	879	2,711	2,819
Operation and Maintenance	713	619	2,069	1,876
Depreciation and Amortization	313	286	886	797
Taxes Other Than Income Taxes	15	24	50	73
Total Operating Expenses	1,842	1,808	5,716	5,565
OPERATING INCOME	712	594	1,934	1,810
Income from Equity Method Investments	4	7	9	9
Other Income	59	121	172	216
Other Deductions	(12)	(26)	(54)	(61)
Other-Than-Temporary Impairments	(3)	(2)	(7)	(14)
Interest Expense	(100)	(106)	(303)	(310)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	660	588	1,751	1,650
Income Tax Expense	(270)	(241)	(708)	(599)
Net Income	390	347	1,043	1,051
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING (THOUSANDS):
BASIC	505,858	505,914	505,900	505,942
DILUTED	507,694	507,111	507,433	507,037
EARNINGS PER SHARE:
INCOME FROM CONTINUING OPERATIONS, BASIC	$ 0.77	$ 0.69	$ 2.06	$ 2.08
NET INCOME	$ 0.77	$ 0.69	$ 2.06	$ 2.08
INCOME FROM CONTINUING OPERATIONS, DILUTED	$ 0.77	$ 0.68	$ 2.06	$ 2.07
NET INCOME	$ 0.77	$ 0.68	$ 2.06	$ 2.07
DIVIDENDS PAID PER SHARE OF COMMON STOCK	$ 0.36	$ 0.355	$ 1.08	$ 1.065
Power [Member]
Operating Revenues	1,169	1,038	3,806	3,584
Operating Expenses [Abstract]
Energy Costs	430	456	1,786	1,725
Operation and Maintenance	304	255	866	780
Depreciation and Amortization	66	60	195	175
Total Operating Expenses	800	771	2,847	2,680
OPERATING INCOME	369	267	959	904
Other Income	45	104	127	171
Other Deductions	(11)	(20)	(49)	(52)
Other-Than-Temporary Impairments	(3)	(2)	(7)	(14)
Interest Expense	(26)	(35)	(85)	(97)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	374	314	945	912
Income Tax Expense	(153)	(133)	(383)	(374)
Net Income	221	181	562	538
PSE And G [Member]
Operating Revenues	1,666	1,683	5,084	5,029
Operating Expenses [Abstract]
Energy Costs	661	756	2,208	2,380
Operation and Maintenance	408	366	1,204	1,092
Depreciation and Amortization	236	216	658	594
Taxes Other Than Income Taxes	15	24	50	73
Total Operating Expenses	1,320	1,362	4,120	4,139
OPERATING INCOME	346	321	964	890
Other Income	13	16	41	39
Other Deductions	(1)	(6)	(3)	(8)
Interest Expense	(75)	(73)	(223)	(220)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	283	258	779	701
Income Tax Expense	(115)	(103)	(311)	(248)
Net Income	$ 168	$ 155	$ 468	$ 453