Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net Income	$ 345	$ 212	$ 931	$ 598
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	(15)	11	(1)	13
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit	0	1	(9)	3
Pension/OPEB adjustment, net of tax (expense) benefit	8	2	16	6
Other Comprehensive Income (Loss), net of tax	(7)	14	6	22
COMPREHENSIVE INCOME	338	226	937	620
PSE And G [Member]
Net Income	167	151	409	365
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	(1)	0	(1)	0
COMPREHENSIVE INCOME	166	151	408	365
Power [Member]
Net Income	166	54	501	218
Other Comprehensive Income (Loss), net of tax
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit	(14)	9	0	11
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit	0	2	(9)	3
Pension/OPEB adjustment, net of tax (expense) benefit	7	2	14	5
Other Comprehensive Income (Loss), net of tax	(7)	13	5	19
COMPREHENSIVE INCOME	$ 159	$ 67	$ 506	$ 237