DEBT (Schedule of Contractual Repayment Schedule) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Debt [Line Items]
Total consolidated debt	$ 52,551
AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	1,787
SB 901 obligations
Debt [Line Items]
Fixed rate obligations	$ 7,338
Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	4.31%
Fixed rate obligations	$ 36,877
Variable interest rate as of December 31, 2023	6.72%
Variable rate obligations	$ 1,899
PG&E Corporation
Debt [Line Items]
Average fixed interest rate	4.67%
Fixed rate obligations	$ 4,150
Variable interest rate as of December 31, 2023	7.85%
Variable rate obligations	$ 500
2024
Debt [Line Items]
Total consolidated debt	1,376
2024 | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	46
2024 | SB 901 obligations
Debt [Line Items]
Fixed rate obligations	$ 130
2024 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.60%
Fixed rate obligations	$ 800
Variable interest rate as of December 31, 2023	6.60%
Variable rate obligations	$ 400
2024 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0
2025
Debt [Line Items]
Total consolidated debt	3,607
2025 | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	48
2025 | SB 901 obligations
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, 2023	6.75%
Variable rate obligations	$ 1,499
2025 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	0.00%
Fixed rate obligations	$ 0
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0
2026
Debt [Line Items]
Total consolidated debt	2,742
2026 | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	50
2026 | SB 901 obligations
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, 2023	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, 2023	0.00%
Variable rate obligations	$ 0
2027
Debt [Line Items]
Total consolidated debt	5,847
2027 | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	51
2027 | SB 901 obligations
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, 2023	0.00%
Variable rate obligations	$ 0
2027 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	4.25%
Fixed rate obligations	$ 2,150
Variable interest rate as of December 31, 2023	7.85%
Variable rate obligations	$ 500
2028
Debt [Line Items]
Total consolidated debt	3,180
2028 | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	53
2028 | SB 901 obligations
Debt [Line Items]
Fixed rate obligations	$ 152
2028 | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	3.58%
Fixed rate obligations	$ 1,975
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0
2028 | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	5.00%
Fixed rate obligations	$ 1,000
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0
Thereafter
Debt [Line Items]
Total consolidated debt	35,799
Thereafter | AB 1054 obligations
Debt [Line Items]
Fixed rate obligations	1,539
Thereafter | SB 901 obligations
Debt [Line Items]
Fixed rate obligations	$ 6,634
Thereafter | Pacific Gas & Electric Co (Utility)
Debt [Line Items]
Average fixed interest rate	4.66%
Fixed rate obligations	$ 26,626
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0
Thereafter | PG&E Corporation
Debt [Line Items]
Average fixed interest rate	5.25%
Fixed rate obligations	$ 1,000
Variable interest rate as of December 31, 2023	0.00%
Variable rate obligations	$ 0