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COMMON STOCK AND SHARE-BASED COMPENSATION (Narrative) (Details) - USD ($) |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |
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Dec. 04, 2024 | Nov. 29, 2024 | Sep. 19, 2024 | May 16, 2024 | Feb. 13, 2024 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Feb. 05, 2025 | Jul. 08, 2021
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  | 2,193,573,536 |  |  |  | 2,193,573,536 | 2,133,597,758 |  |  |
Common stock issued, net |  |  |  |  |  |  |  |  |  | $ 1,128,000,000 | $ (2,517,000,000) | $ (2,337,000,000) |  |
Investment plan, term |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Entity Common Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 2,671,320,389 |
Common stock dividends declared |  |  |  |  |  |  |  |  |  | $ 120,000,000 | 21,000,000 |  |  |
Preferred stock dividend requirement |  |  |  |  |  |  |  |  |  | $ 37,000,000 | $ 14,000,000 | $ 13,000,000 |  |
Shares available for LTIP award (in shares) |  |  |  |  |  | 55,900,800 |  |  |  | 55,900,800 |  |  |  |
Granted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 16.74 | $ 15.70 | $ 11.40 |  |
Total fair value |  |  |  |  |  |  |  |  |  | $ 62,000,000 | $ 64,000,000 | $ 46,000,000 |  |
Total unrecognized compensation costs |  |  |  |  |  |  |  |  |  | $ 90,000,000 |  |  |  |
Remaining weighted average period |  |  |  |  |  |  |  |  |  | 1 year 6 months 7 days |  |  |  |
Over-Allotment Option |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, net | $ 1,130,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  | 800,000,000 |  |  |  | 800,000,000 | 800,000,000 |  |  |
Entity Common Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 264,374,809 |
Common stock dividends declared |  | $ 575,000,000 | $ 500,000,000 | $ 500,000,000 | $ 450,000,000 |  |  |  |  |  |  |  |  |
Preferred stock dividend requirement |  | 3,500,000 | 3,500,000 | 3,500,000 | 3,500,000 |  |  |  |  | $ 14,000,000 | $ 14,000,000 | $ 14,000,000 |  |
Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Weighted-average period |  |  |  |  |  |  |  |  |  | 1 year 2 months 1 day |  |  |  |
Restricted stock units |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Tax detriment |  |  |  |  |  |  |  |  |  | $ 21,000,000 |  |  |  |
Performance shares |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Industry performance period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Award grant date fair value recognition period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Performance shares granted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 16.94 | $ 13.39 | $ 13.44 |  |
Employee service share based compensation nonvested performance shares total compensation cost not yet recognized |  |  |  |  |  |  |  |  |  | $ 48,000,000 |  |  |  |
2014 LTIP, Amended |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued for LTIP, maximum (in shares) |  |  |  |  |  | 91,000,000 |  |  |  | 91,000,000 |  |  |  |
2014 LTIP | Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of award |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Total unrecognized compensation costs |  |  |  |  |  | $ 0 |  |  |  | $ 0 |  |  |  |
Granted (in shares) |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
PG&E Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividend declared (in dollars per share) |  |  |  |  |  | $ 0.025 | $ 0.01 | $ 0.01 | $ 0.01 |  |  |  |  |
Preferred stock dividend requirement |  | $ 55,000,000 | $ 21,000,000 | $ 21,000,000 | $ 21,000,000 |  |  |  |  |  |  |  |  |
PG&E Corporation | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding, adjusted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 2,193,576,799 |
PG&E Corporation | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity security ownership with board of director approval |  |  |  |  |  | 4.75% |  |  |  | 4.75% |  |  |  | 4.75%
Pacific Gas & Electric Co (Utility) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, net (in shares) | 55,961,070 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. + References No definition available. + Details
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- Definition In 2012, PG&E Corporation granted 834,420 contingent performance shares to eligible employees. Performance shares vest after three years of service. Performance shares granted in 2012, 2011, and 2010 are settled in shares of PG&E Corporation common stock and are classified as share-based equity awards. Performance-based awards granted prior to 2010 are settled in cash and classified as a liability. This amount is the carried forward balance for total nonvested performance shares after any shares being granted, vested and forfeited during the year + References No definition available. + Details
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