Condensed Consolidated Statements Of Operations (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING REVENUES	$ 2,875	$ 3,354
OPERATING EXPENSES
Energy Costs	1,179	1,563
Operation and Maintenance	628	651
Depreciation and Amortization	256	241
Taxes Other Than Income Taxes	29	43
Total Operating Expenses	2,092	2,498
OPERATING INCOME	783	856
Income from Equity Method Investments	0	3
Other Income	44	76
Other Deductions	(16)	(13)
Other-Than-Temporary Impairments	(5)	(4)
Interest Expense	(101)	(127)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	705	791
Income Tax (Expense) Benefit	(212)	(329)
INCOME FROM CONTINUING OPERATIONS	493	462
Income (Loss) from Discontinued Operations, including Gain on Disposal, net of tax (expense) benefit of $(36) for the period ended 2011	0	64
NET INCOME	493	526
WEIGHTED AVERAGE COMMON SHARE OUTSTANDING (THOUSANDS):
BASIC	506,010	505,979
DILUTED	507,029	507,132
EARNINGS PER SHARE:
INCOME FROM CONTINUING OPERATIONS, BASIC	$ 0.97	$ 0.91
NET INCOME, BASIC	$ 0.97	$ 1.04
INCOME FROM CONTINUING OPERATIONS, DILUTED	$ 0.97	$ 0.91
NET INCOME, DILUTED	$ 0.97	$ 1.04
DIVIDENDS PAID PER SHARE OF COMMON STOCK	$ 0.3550	$ 0.3425
Power [Member]
OPERATING REVENUES	1,561	1,967
OPERATING EXPENSES
Energy Costs	822	1,135
Operation and Maintenance	241	277
Depreciation and Amortization	57	54
Total Operating Expenses	1,120	1,466
OPERATING INCOME	441	501
Other Income	30	70
Other Deductions	(15)	(12)
Other-Than-Temporary Impairments	(5)	(2)
Interest Expense	(30)	(51)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	421	506
Income Tax (Expense) Benefit	(168)	(208)
INCOME FROM CONTINUING OPERATIONS	253	298
Income (Loss) from Discontinued Operations, including Gain on Disposal, net of tax (expense) benefit of $(36) for the period ended 2011	0	64
NET INCOME	253	362
PSE And G [Member]
OPERATING REVENUES	1,939	2,306
OPERATING EXPENSES
Energy Costs	1,002	1,366
Operation and Maintenance	376	368
Depreciation and Amortization	190	179
Taxes Other Than Income Taxes	29	43
Total Operating Expenses	1,597	1,956
OPERATING INCOME	342	350
Other Income	11	5
Other Deductions	(1)	(1)
Other-Than-Temporary Impairments	0	(1)
Interest Expense	(73)	(79)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	279	274
Income Tax (Expense) Benefit	(82)	(111)
NET INCOME	$ 197	$ 163