Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net Income	$ 439	$ 444	$ 1,370	$ 1,042
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	(31)	(30)	(32)	(17)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit	0	1	(9)	4
Pension/OPEB adjustment, net of tax (expense) benefit	9	3	25	9
Other Comprehensive Income (Loss), net of tax	(22)	(26)	(16)	(4)
COMPREHENSIVE INCOME	417	418	1,354	1,038
PSE And G [Member]
Net Income	222	200	631	565
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	0	1	(1)	1
COMPREHENSIVE INCOME	222	201	630	566
Power [Member]
Net Income	206	222	707	440
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	(29)	(30)	(29)	(19)
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit	0	1	(9)	4
Pension/OPEB adjustment, net of tax (expense) benefit	7	2	21	7
Other Comprehensive Income (Loss), net of tax	(22)	(27)	(17)	(8)
COMPREHENSIVE INCOME	$ 184	$ 195	$ 690	$ 432