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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 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 March 31, 2022
(in millions)Level 1Level 2Level 3
Netting (1)
Total
Assets:     
Short-term investments$245 $— $— $— $245 
Nuclear decommissioning trusts
Short-term investments73 — — — 73 
Global equity securities2,297 — — — 2,297 
Fixed-income securities1,135 831 — — 1,966 
Assets measured at NAV— — — — 30 
Total nuclear decommissioning trusts (2)
3,505 831   4,366 
Price risk management instruments (Note 8)     
Electricity— 27 209 240 
Gas— — 40 45 
Total price risk management instruments 32 209 44 285 
Rabbi trusts     
Fixed-income securities— 99 — — 99 
Life insurance contracts— 73 — — 73 
Total rabbi trusts 172   172 
Long-term disability trust     
Short-term investments— — — 6 
Assets measured at NAV— — — — 145 
Total long-term disability trust6    151 
TOTAL ASSETS$3,756 $1,035 $209 $44 $5,219 
Liabilities:     
Price risk management instruments (Note 8)     
Electricity$— $30 $233 $(16)$247 
Gas— 11 — (9)2 
TOTAL LIABILITIES$ $41 $233 $(25)$249 
(1) Includes the effect of the contractual ability to settle contracts under master netting agreements and cash collateral.
(2) Represents amount before deducting $731 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 8)    
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 $5,558 
Liabilities:    
Price risk management instruments (Note 8)    
Electricity— 11 248 (24)235 
Gas— 10 — (3)7 
TOTAL LIABILITIES$ $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 March 31, 2022Valuation
Technique
Unobservable
Input
 
Fair Value MeasurementAssetsLiabilities
 Range (1)/Weighted-Average Price (2)
Congestion revenue rights$180 $95 Market approachCRR auction prices
$ (2,265.69) - 2,265.94 / 0.41
Power purchase agreements$29 $138 Discounted cash flowForward prices
$ (6.75) - 247.15 / 50.98
(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 months ended March 31, 2022 and 2021, respectively:
 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)
10 (22)
Liability balance as of March 31$(24)$(94)
(1) The costs related to price risk management activities are fully passed through to customers in 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 March 31, 2022At December 31, 2021
(in millions)Carrying AmountLevel 2 Fair Value
Carrying Amount
Level 2 Fair Value
Debt (Note 5)    
PG&E Corporation
$4,618 $4,610 $4,619 $4,796 
Utility32,704 30,702 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 March 31, 2022    
Nuclear decommissioning trusts    
Short-term investments$73 $— $— $73 
Global equity securities468 1,876 (17)2,327 
Fixed-income securities2,005 38 (77)1,966 
Total (1)
$2,546 $1,914 $(94)$4,366 
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 $731 million and $783 million as of March 31, 2022 and December 31, 2021, respectively, primarily related to deferred taxes on appreciation of investment value.
Schedule of Available for Sale Securities Table The fair value of fixed-income securities by contractual maturity is as follows:
 As of
(in millions)March 31, 2022
Less than 1 year$
1–5 years611 
5–10 years458 
More than 10 years889 
Total maturities of fixed-income securities$1,966 
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 March 31,
(in millions)20222021
Proceeds from sales and maturities of nuclear decommissioning investments$421 $551 
Gross realized gains on securities 56 55 
Gross realized losses on securities(7)(13)