PREFERRED STOCK - (Schedule of Dividend Paid or Declared) (Details) - USD ($) $ / shares in Units, $ in Millions							3 Months Ended					12 Months Ended
	Dec. 11, 2025	Sep. 18, 2025	May 22, 2025	Feb. 20, 2025	Dec. 12, 2024	Nov. 29, 2024	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Preferred Stock [Line Items]
Preferred stock dividend requirement												$ 110.0	$ 37.0	$ 14.0
6.000% Series A Mandatory Convertible Preferred Stock, no par value | Utility
Preferred Stock [Line Items]
Preferred stock dividend requirement	$ 3.5	$ 3.5	$ 3.5	$ 3.5		$ 3.5
PG&E Corporation | 6.000% Series A Mandatory Convertible Preferred Stock, no par value
Preferred Stock [Line Items]
Preferred stock, dividends declared (in dollars per share)							$ 0.75	$ 0.75	$ 0.75	$ 0.75	$ 0.7167
Preferred stock dividend requirement	$ 24.0	$ 24.0	$ 24.0	$ 24.0	$ 23.0