DEBT (Schedule of Contractual Repayment Schedule) (Details) $ in Millions	Dec. 31, 2022 USD ($)
Debt [Line Items]
Total consolidated debt	$ 49,959
Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	1,825
SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 7,467
Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.84%
Fixed rate obligations	$ 34,402
Variable interest rate as of December 31, 2022	5.54%
Variable rate obligations	$ 1,584
PG&E Corporation
Debt [Line Items]
Average fixed interest rate	5.13%
Fixed rate obligations	$ 2,000
Variable interest rate as of December 31, 2022	7.13%
Variable rate obligations	$ 2,681
2023
Debt [Line Items]
Total consolidated debt	2,271
2023 | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	38
2023 | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 130
2023 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	2.91%
Fixed rate obligations	$ 2,075
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
2023 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2022	7.13%
Variable rate obligations	$ 28
2024
Debt [Line Items]
Total consolidated debt	3,587
2024 | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	46
2024 | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 129
2024 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.40%
Fixed rate obligations	$ 1,800
Variable interest rate as of December 31, 2022	5.54%
Variable rate obligations	$ 1,584
2024 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2022	7.13%
Variable rate obligations	$ 28
2025
Debt [Line Items]
Total consolidated debt	4,733
2025 | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	48
2025 | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 135
2025 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.82%
Fixed rate obligations	$ 1,925
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
2025 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2022	7.13%
Variable rate obligations	$ 2,625
2026
Debt [Line Items]
Total consolidated debt	2,742
2026 | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	50
2026 | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 141
2026 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.10%
Fixed rate obligations	$ 2,551
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
2026 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
2027
Debt [Line Items]
Total consolidated debt	3,197
2027 | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	51
2027 | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 146
2027 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.22%
Fixed rate obligations	$ 3,000
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
2027 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
Thereafter
Debt [Line Items]
Total consolidated debt	33,429
Thereafter | Series 2022-A Recovery Bonds
Debt [Line Items]
Fixed rate obligations	1,592
Thereafter | SB 901 Securitization
Debt [Line Items]
Fixed rate obligations	$ 6,786
Thereafter | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	4.12%
Fixed rate obligations	$ 23,051
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0
Thereafter | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	5.13%
Fixed rate obligations	$ 2,000
Variable interest rate as of December 31, 2022	0.00%
Variable rate obligations	$ 0