Trust Investments - Proceeds From The Sales Of And The Net Realized Gains On Securities in the NDT and Rabbi Trusts (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Trust Investments [Line Items]
Proceeds from Sale of Trust Investments				$ 1,256	$ 998
Net Gains (Losses) on Trust Investments		$ 89	$ (40)	191	63
Nuclear Decommissioning Trust (NDT) Fund [Member]
Schedule of Trust Investments [Line Items]
Proceeds from Sale of Trust Investments	[1]	432	268	1,231	972
Gross Realized Gains		30	19	107	65
Gross Realized Losses		(12)	(16)	(43)	(71)
Net Realized Gains (Losses)	[2]	18	3	64	(6)
Unrealized Gain (Loss) on Equity Securities		70	(42)	125	69
Net Gains (Losses) on Trust Investments		88	(39)	189	63
Rabbi Trust [Member]
Schedule of Trust Investments [Line Items]
Proceeds from Sale of Trust Investments		10	9	25	26
Gross Realized Gains		0	1	2	5
Gross Realized Losses		0	(1)	(1)	(6)
Net Realized Gains (Losses)	[3]	0	0	1	(1)
Unrealized Gain (Loss) on Equity Securities		1	(1)	1	1
Net Gains (Losses) on Trust Investments		$ 1	$ (1)	$ 2	$ 0

[1] Includes activity in accounts related to the liquidation of funds being transitioned within the trust.

[2] The cost of these securities was determined on the basis of specific identification.

[3] The cost of these securities was determined on the basis of specific identification.