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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jun. 30, 2022
Fair Value Disclosures [Abstract]  
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Assets and liabilities measured at fair value on a recurring basis for PG&E Corporation and the Utility are summarized below.  Assets held in rabbi trusts are held by PG&E Corporation and not the Utility.
 Fair Value Measurements
 
 At June 30, 2022
(in millions)Level 1Level 2Level 3
Netting (1)
Total
Assets:     
Short-term investments$197 $— $— $— $197 
Fixed-income securities— 50 — — 50 
Nuclear decommissioning trusts
Short-term investments60 — — — 60 
Global equity securities1,826 — — — 1,826 
Fixed-income securities1,089 850 — — 1,939 
Assets measured at NAV— — — — 25 
Total nuclear decommissioning trusts (2)
2,975 850   3,850 
Customer credit trust
Short-term investments43 55 — — 98 
Global equity securities132 — — — 132 
Fixed-income securities101 147 — — 248 
Total customer credit trust
276 202   478 
Price risk management instruments (Note 9)     
Electricity— 26 205 25 256 
Gas— 15 — 21 36 
Total price risk management instruments 41 205 46 292 
Rabbi trusts     
Fixed-income securities— 96 — — 96 
Life insurance contracts— 68 — — 68 
Total rabbi trusts 164   164 
Long-term disability trust     
Short-term investments— — — 8 
Assets measured at NAV— — — — 131 
Total long-term disability trust8    139 
TOTAL ASSETS$3,456 $1,307 $205 $46 $5,170 
Liabilities:     
Price risk management instruments (Note 9)     
Electricity$— $75 $194 $(29)$240 
Gas— 32 — (13)19 
TOTAL LIABILITIES$ $107 $194 $(42)$259 
(1) Includes the effect of the contractual ability to settle contracts under master netting agreements and cash collateral.
(2) Represents amount before deducting $559 million primarily related to deferred taxes on appreciation of investment value. 
 Fair Value Measurements
 December 31, 2021
(in millions)Level 1Level 2Level 3
Netting (1)
Total
Assets:     
Short-term investments$289 $— $— $— $289 
Nuclear decommissioning trusts
Short-term investments22 — — — 22 
Global equity securities2,504 — — — 2,504 
Fixed-income securities1,158 866 — — 2,024 
Assets measured at NAV— — — — 31 
Total nuclear decommissioning trusts (2)
3,684 866   4,581 
Price risk management instruments (Note 9)    
Electricity— 214 229 
Gas— — 137 141 
Total price risk management instruments 13 214 143 370 
Rabbi trusts    
Fixed-income securities— 104 — — 104 
Life insurance contracts— 76 — — 76 
Total rabbi trusts 180   180 
Long-term disability trust    
Short-term investments— — — 6 
Assets measured at NAV— — — — 132 
Total long-term disability trust6    138 
TOTAL ASSETS$3,979 $1,059 $214 $143 $5,558 
Liabilities:    
Price risk management instruments (Note 9)    
Electricity— 11 248 (24)235 
Gas— 10 — (3)7 
TOTAL LIABILITIES$ $21 $248 $(27)$242 
(1) Includes the effect of the contractual ability to settle contracts under master netting agreements and cash collateral.
(2) Represents amount before deducting $783 million, primarily related to deferred taxes on appreciation of investment value.
Fair Value Measurement Inputs and Valuation Techniques
 Fair Value at   
(in millions)At June 30, 2022Valuation
Technique
Unobservable
Input
 
Fair Value MeasurementAssetsLiabilities
 Range (1)/Weighted-Average Price (2)
Congestion revenue rights$172 $90 Market approachCRR auction prices
$ (2,265.69) - 2,265.94 / 0.39
Power purchase agreements$33 $104 Discounted cash flowForward prices
$ (6.89) - 186.92 / 56.24
(1) Represents price per megawatt-hour.
(2) Unobservable inputs were weighted by the relative fair value of the instruments.
 Fair Value at   
(in millions)At December 31, 2021Valuation
Technique
Unobservable
Input
 
Fair Value MeasurementAssetsLiabilities
 Range (1)/Weighted-Average Price (2)
Congestion revenue rights$188 $93 Market approachCRR auction prices
$ (40.77) - 2,265.94 / 0.40
Power purchase agreements$26 $155 Discounted cash flowForward prices
$ (7.97) - 256.20 / 47.17
(1) Represents price per megawatt-hour.
(2) Unobservable inputs were weighted by the relative fair value of the instruments.
Level 3 Reconciliation
The following table presents the reconciliation for Level 3 price risk management instruments for the three and six months ended June 30, 2022 and 2021, respectively:
 Price Risk Management Instruments
(in millions)20222021
Liability balance as of April 1$(24)$(94)
Net realized and unrealized gains:
Included in regulatory assets and liabilities or balancing accounts (1)
35 76 
Asset (Liability) balance as of June 30$11 $(18)
(1) The costs related to price risk management activities are recovered through rates. Accordingly, unrealized gains and losses are deferred in regulatory liabilities and assets and net income is not impacted.

 Price Risk Management Instruments
(in millions)20222021
Liability balance as of January 1$(34)$(72)
Net realized and unrealized gains:
Included in regulatory assets and liabilities or balancing accounts (1)
45 54 
Asset (Liability) balance as of June 30$11 $(18)
(1) The costs related to price risk management activities are recovered through rates. Accordingly, unrealized gains and losses are deferred in regulatory liabilities and assets and net income is not impacted.
Carrying Amount and Fair Value of Financial Instruments The carrying amount and fair value of PG&E Corporation’s and the Utility’s long-term debt instruments were as follows (the table below excludes financial instruments with carrying values that approximate their fair values):
 At June 30, 2022At December 31, 2021
(in millions)Carrying AmountLevel 2 Fair Value
Carrying Amount
Level 2 Fair Value
Debt (Note 5)    
PG&E Corporation
$4,617 $4,239 $4,619 $4,796 
Utility34,220 29,096 31,816 35,803 
Schedule of Unrealized Gains (Losses) Related to Available-for-sale Investments
The following table provides a summary of equity securities and available-for-sale debt securities:
(in millions)Amortized
Cost
Total
Unrealized
Gains
Total
Unrealized
Losses
Total Fair
Value
As of June 30, 2022    
Nuclear decommissioning trusts    
Short-term investments$60 $— $— $60 
Global equity securities423 1,443 (15)1,851 
Fixed-income securities2,029 20 (110)1,939 
Total (1)
$2,512 $1,463 $(125)$3,850 
As of December 31, 2021    
Nuclear decommissioning trusts    
Short-term investments$22 $— $— $22 
Global equity securities479 2,066 (10)2,535 
Fixed-income securities1,938 98 (12)2,024 
Total (1)
$2,439 $2,164 $(22)$4,581 
(1) Represents amounts before deducting $559 million and $783 million as of June 30, 2022 and December 31, 2021, respectively, primarily related to deferred taxes on appreciation of investment value.
Schedule of Available for Sale Securities Table The fair value of fixed-income securities by contractual maturity is as follows:
 As of
(in millions)June 30, 2022
Less than 1 year$11 
1–5 years620 
5–10 years461 
More than 10 years847 
Total maturities of fixed-income securities$1,939 
The following table provides a summary of equity securities and available-for-sale debt securities:

(in millions)Amortized
Cost
Total
Unrealized
Gains
Total
Unrealized
Losses
Total Fair
Value
As of June 30, 2022    
Customer credit trust    
Short-term investments$98 $— $— $98 
Global equity securities139 — (7)132 
Fixed-income securities248 (1)248 
Total
$485 $1 $(8)$478 
Schedule of Activity for Debt and Equity Securities
The following table provides a summary of activity for the fixed-income and equity securities:
Three Months Ended June 30,Six Months Ended June 30,
(in millions)2022202120222021
Proceeds from sales and maturities of nuclear decommissioning trust investments$948 $401 $1,369 $952 
Gross realized gains on securities81 74 137 129 
Gross realized losses on securities(58)(3)(65)(16)
The fair value of fixed-income securities by contractual maturity is as follows:

 As of
(in millions)June 30, 2022
Less than 1 year$— 
1–5 years38 
5–10 years116 
More than 10 years94 
Total maturities of fixed-income securities$248