Condensed Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Revenues	$ 2,980	$ 2,818
Operating Expenses [Abstract]
Energy Costs	1,124	952
Operation and Maintenance	756	754
Depreciation and Amortization	314	280
Total Operating Expenses	2,194	1,986
OPERATING INCOME	786	832
Income from Equity Method Investments	2	2
Net Gains (Losses) on Trust Investments	128	(22)
Other Income (Deductions)	33	32
Non-Operating Pension and OPEB Credits (Costs)	33	19
Interest Expense	(133)	(103)
Income Before Income Taxes	849	760
Income Tax Benefit (Expense)	(149)	(202)
Net Income	$ 700	$ 558
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
BASIC (shares)	504	504
DILUTED (shares)	507	507
EARNINGS PER SHARE:
BASIC (dollars per share)	$ 1.39	$ 1.11
DILUTED (dollars per share)	$ 1.38	$ 1.10
PSE And G [Member]
Operating Revenues	$ 2,032	$ 1,845
Operating Expenses [Abstract]
Energy Costs	947	782
Operation and Maintenance	408	391
Depreciation and Amortization	212	190
Total Operating Expenses	1,567	1,363
OPERATING INCOME	465	482
Net Gains (Losses) on Trust Investments	1	0
Other Income (Deductions)	19	20
Non-Operating Pension and OPEB Credits (Costs)	30	15
Interest Expense	(87)	(81)
Income Before Income Taxes	428	436
Income Tax Benefit (Expense)	(25)	(117)
Net Income	403	319
Power [Member]
Operating Revenues	1,416	1,403
Operating Expenses [Abstract]
Energy Costs	786	746
Operation and Maintenance	235	246
Depreciation and Amortization	94	82
Total Operating Expenses	1,115	1,074
OPERATING INCOME	301	329
Income from Equity Method Investments	2	2
Net Gains (Losses) on Trust Investments	126	(22)
Other Income (Deductions)	13	11
Non-Operating Pension and OPEB Credits (Costs)	3	4
Interest Expense	(25)	(7)
Income Before Income Taxes	420	317
Income Tax Benefit (Expense)	(124)	(83)
Net Income	$ 296	$ 234