PREFERRED STOCK - Narrative (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Dec. 05, 2024 USD ($) $ / shares shares	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares
Preferred Stock [Line Items]
Preferred Stock issued, net | $			$ 1,579
Investment plan, term		5 years
$25 Par Value | Utility
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares		75,000,000
Preferred stock, par value (in dollars per share)		$ 25
$100 Par Value | Utility
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares		10,000,000
Preferred stock, par value (in dollars per share)		$ 100
Preferred stock, shares outstanding (in shares) | shares		0
Maximum | Utility
Preferred Stock [Line Items]
Redemption price (in dollars per share)		$ 27.25	$ 27.25
Minimum | Utility
Preferred Stock [Line Items]
Redemption price (in dollars per share)		$ 25.75	$ 25.75
6.000% Series A Mandatory Convertible Preferred Stock, no par value
Preferred Stock [Line Items]
Preferred stock, shares issued (in shares) | shares	32,200,000
Preferred stock interest rate	6.00%
Preferred stock, par value (in dollars per share)	$ 50.00
Preferred Stock issued, net | $	$ 1,600
6.000% Series A Mandatory Convertible Preferred Stock, no par value | Maximum
Preferred Stock [Line Items]
Preferred stock, convertible, conversion ratio	2.4331
6.000% Series A Mandatory Convertible Preferred Stock, no par value | Minimum
Preferred Stock [Line Items]
Preferred stock, convertible, conversion ratio	1.9465
Nonredeemable Preferred Stock | Utility
Preferred Stock [Line Items]
Nonredeemable preferred stock outstanding | $		$ 145	$ 145
Preferred stock dividends per share, low range (in dollars per share)		$ 1.25
Preferred stock dividends per share, high range (in dollars per share)		$ 1.50
Nonredeemable Preferred Stock | Maximum | Utility
Preferred Stock [Line Items]
Preferred stock interest rate		6.00%
Nonredeemable Preferred Stock | Minimum | Utility
Preferred Stock [Line Items]
Preferred stock interest rate		5.00%
Redeemable Preferred Stock | Utility
Preferred Stock [Line Items]
Redeemable preferred stock outstanding | $		$ 113	$ 113
Preferred stock dividends per share, low range (in dollars per share)		$ 1.09
Preferred stock dividends per share, high range (in dollars per share)		$ 1.25
Redeemable Preferred Stock | Maximum | Utility
Preferred Stock [Line Items]
Preferred stock interest rate			5.00%
Redeemable Preferred Stock | Minimum | Utility
Preferred Stock [Line Items]
Preferred stock interest rate			4.36%
PG&E Corporation
Preferred Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares		400,000,000