FINANCING ACTIVITIES - Schedule of Long-Term Debt Information (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total Long-term Debt Outstanding	$ 49,554	$ 47,322
Long-term Debt Due Within One Year	2,704	3,194
Long-term Debt	46,850	44,128
Trust fund assets one time fee obligation for nuclear fuel disposition	383	381
Senior Unsecured Notes
Debt Instrument [Line Items]
Senior Unsecured Notes	39,463	37,190
Pollution Control Bonds
Debt Instrument [Line Items]
Pollution Control Bonds	1,636	1,637
Notes Payable
Debt Instrument [Line Items]
Notes Payable	652	683
Securitization Bonds
Debt Instrument [Line Items]
Securitization Bonds	940	984
Spent Nuclear Fuel Obligation
Debt Instrument [Line Items]
Spent Nuclear Fuel Obligation	333	330
Junior Subordinated Notes
Debt Instrument [Line Items]
Junior Subordinated Notes	4,681	4,681
Other Long-term Debt
Debt Instrument [Line Items]
Other Long-term Debt	$ 1,849	$ 1,817

Trust fund assets one time fee obligation for nuclear fuel disposition.

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