Condensed Consolidated Statements Of Operations (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating Revenues	$ 2,641	$ 2,554	$ 8,113	$ 7,650
Operating Expenses [Abstract]
Energy Costs	863	801	3,008	2,711
Operation and Maintenance	714	713	2,370	2,069
Depreciation and Amortization	318	313	919	886
Taxes Other Than Income Taxes	0	15	0	50
Total Operating Expenses	1,895	1,842	6,297	5,716
OPERATING INCOME	746	712	1,816	1,934
Income from Equity Method Investments	3	4	10	9
Other Income	75	59	185	172
Other Deductions	(9)	(12)	(31)	(54)
Other-Than-Temporary Impairments	(10)	(3)	(14)	(7)
Interest Expense	(100)	(100)	(291)	(303)
INCOME BEFORE INCOME TAXES	705	660	1,675	1,751
Income Tax Expense	(261)	(270)	(633)	(708)
Net Income	444	390	1,042	1,043
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING (THOUSANDS):
BASIC (in shares)	505,862	505,858	505,937	505,900
DILUTED (in shares)	507,422	507,694	507,402	507,433
EARNINGS PER SHARE:
BASIC (in dollars per share)	$ 0.88	$ 0.77	$ 2.06	$ 2.06
DILUTED (in dollars per share)	$ 0.87	$ 0.77	$ 2.05	$ 2.06
DIVIDENDS PAID PER SHARE OF COMMON STOCK	$ 0.37	$ 0.36	$ 1.11	$ 1.08
Power [Member]
Operating Revenues	1,138	1,174	3,824	3,818
Operating Expenses [Abstract]
Energy Costs	472	430	2,036	1,785
Operation and Maintenance	242	305	871	868
Depreciation and Amortization	71	69	215	202
Total Operating Expenses	785	804	3,122	2,855
OPERATING INCOME	353	370	702	963
Income from Equity Method Investments	4	4	11	12
Other Income	56	45	135	127
Other Deductions	(6)	(11)	(25)	(49)
Other-Than-Temporary Impairments	(10)	(3)	(14)	(7)
Interest Expense	(31)	(26)	(92)	(85)
INCOME BEFORE INCOME TAXES	366	379	717	961
Income Tax Expense	(144)	(153)	(277)	(384)
Net Income	222	226	440	577
PSE And G [Member]
Operating Revenues	1,655	1,666	5,235	5,084
Operating Expenses [Abstract]
Energy Costs	668	661	2,278	2,208
Operation and Maintenance	366	408	1,190	1,204
Depreciation and Amortization	238	236	682	658
Taxes Other Than Income Taxes	0	15	0	50
Total Operating Expenses	1,272	1,320	4,150	4,120
OPERATING INCOME	383	346	1,085	964
Other Income	16	13	44	41
Other Deductions	(2)	(1)	(3)	(3)
Interest Expense	(71)	(75)	(206)	(223)
INCOME BEFORE INCOME TAXES	326	283	920	779
Income Tax Expense	(126)	(115)	(355)	(311)
Net Income	$ 200	$ 168	$ 565	$ 468