EQUITY (Narrative) (Details) - USD ($) $ in Millions								1 Months Ended	3 Months Ended					6 Months Ended		12 Months Ended	24 Months Ended
	Aug. 15, 2023	Jul. 19, 2023	Jul. 12, 2023	Jun. 21, 2023	May 15, 2023	Feb. 28, 2023	Feb. 15, 2023	Jul. 19, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2020	Jun. 30, 2023	Dec. 31, 2022	Jul. 08, 2021
Schedule Of Changes In Equity [Line Items]
Common stock issued, net										$ (609.0)	$ (610.0)	$ (609.0)	$ (407.0)
Shares outstanding (in shares)		2,568,984,928						2,568,984,928
Common stock, shares outstanding (in shares)										2,062,781,659				2,062,781,659			2,062,781,659	1,987,784,948
Non-GAAP core earnings threshold														$ 6,200.0
Pacific Gas & Electric Co (Utility)
Schedule Of Changes In Equity [Line Items]
Common stock, shares outstanding (in shares)										120,000,000				120,000,000			120,000,000
Pacific Gas & Electric Co (Utility)
Schedule Of Changes In Equity [Line Items]
Shares outstanding (in shares)		264,374,809						264,374,809
Common stock, shares outstanding (in shares)										264,374,809				264,374,809			264,374,809	264,374,809
Common stock dividends paid				$ 450.0	$ 3.5	$ 425.0	$ 3.5							$ 875.0	$ 425.0
Pacific Gas & Electric Co (Utility) | Subsequent Event
Schedule Of Changes In Equity [Line Items]
Common stock dividends paid	$ 3.5
Fire Victim Trust
Schedule Of Changes In Equity [Line Items]
Shares sold, tax impact														527.0			$ 1,400.0
Number of shares sold (in shares)																	350,000,000
Fire Victim Trust | Subsequent Event
Schedule Of Changes In Equity [Line Items]
Number of shares sold (in shares)		410,000,000	60,000,000
Number of shares owned (in shares)		67,743,590
PG&E Corporation
Schedule Of Changes In Equity [Line Items]
Common stock to be received, value										$ 1,300.0				$ 1,300.0			$ 1,300.0
PG&E Corporation | Equity Units
Schedule Of Changes In Equity [Line Items]
Stock issued during period, shares, new issues (in shares)										8,000,000						16,000,000
PG&E Corporation | Equity Units | Forecast
Schedule Of Changes In Equity [Line Items]
Units expected to convert (in shares)									42,000,000
PG&E Corporation | Common Stock
Schedule Of Changes In Equity [Line Items]
Stock issued during period, shares, new issues (in shares)										67,000,000
Common stock issued, net										$ 634.0
PG&E Corporation | Subsequent Event
Schedule Of Changes In Equity [Line Items]
Common stock, shares outstanding, adjusted (in shares)		2,023,497,748						2,023,497,748
PG&E Corporation | Subsequent Event | Equity Units
Schedule Of Changes In Equity [Line Items]
Stock issued during period, shares, new issues (in shares)								3,000,000
PG&E Corporation | Subsequent Event | Common Stock
Schedule Of Changes In Equity [Line Items]
Stock issued during period, shares, new issues (in shares)								28,000,000
Common stock issued, net								$ 270.0
PG&E Corporation | Minimum
Schedule Of Changes In Equity [Line Items]
Percentage of equity security ownership with board of director approval										4.75%				4.75%			4.75%		4.75%
PG&E Corporation | Minimum | Common Stock
Schedule Of Changes In Equity [Line Items]
Amount of shares, right to receive																137,000,000
PG&E Corporation | Minimum | Subsequent Event
Schedule Of Changes In Equity [Line Items]
Percentage of equity security ownership with board of director approval		3.74%						3.74%
PG&E Corporation | Maximum | Common Stock
Schedule Of Changes In Equity [Line Items]
Amount of shares, right to receive																168,000,000