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Derivative Instruments and Hedging Activities (Tables)
12 Months Ended
Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Notional Amounts Related to Open Derivative Contracts
The following table summarizes by derivative type the gross notional amounts related to open derivative contracts at September 30, 2020 and 2019 and the final settlement dates of the Company's open derivative contracts as of September 30, 2020, excluding those derivatives that qualified for the NPNS exception:
Notional Amounts
(in millions)
September 30,
TypeUnitsSettlements Extending Through20202019
Commodity Price Risk:
Regulated Utility Operations
Gas Utility NYMEX natural gas futures and option contractsDekathermsOctober 202122 23 
Non-utility Operations
LPG swapsGallonsFebruary 2023846 800 
Natural gas futures, forward, basis swap, options and pipeline contractsDekathermsDecember 2024339 329 
Electricity long forward and futures contractsKilowatt hoursJanuary 20244,517 3,098 
Electricity short forward and futures contractsKilowatt hoursApril 2024188 367 
Interest Rate Risk:
Interest rate swapsEuroOctober 2022300 300 
Interest rate swapsUSDJuly 2024$1,344 $1,357 
Foreign Currency Exchange Rate Risk:
Forward foreign exchange contractsUSDSeptember 2023$511 $516 
Net investment hedge forward foreign exchange contractsEuroOctober 2024173 173 
Schedule of Derivative Assets, Liabilities and the Effects of Offsetting
The following table presents the Company’s derivative assets and liabilities by type, as well as the effects of offsetting, as of September 30:
20202019
Derivative assets:
Derivatives designated as hedging instruments:  
Foreign currency contracts$17 $17 
Derivatives subject to PGC and DS mechanisms:
Commodity contracts
Derivatives not designated as hedging instruments:  
Commodity contracts100 41 
Foreign currency contracts15 42 
115 83 
Total derivative assets – gross139 101 
Gross amounts offset in the balance sheet(57)(29)
Total derivative assets – net$82 $72 
Derivative liabilities:
Derivatives designated as hedging instruments:
Interest rate contracts$(55)$(12)
Derivatives subject to PGC and DS mechanisms:
Commodity contracts— (4)
Derivatives not designated as hedging instruments:
Commodity contracts(118)(171)
Foreign currency contracts(14)(4)
(132)(175)
Total derivative liabilities – gross(187)(191)
Gross amounts offset in the balance sheet57 29 
Cash collateral pledged29 
Total derivative liabilities – net$(123)$(133)
Effects of Derivative Instruments on Condensed Consolidated Statements of Income and Changes in AOCI and Noncontrolling Interest
The following tables provide information on the effects of derivative instruments on the Consolidated Statements of Income and changes in AOCI for Fiscal 2020, Fiscal 2019 and Fiscal 2018:
Gain (Loss)
Recognized in
AOCI
Gain (Loss)
Reclassified from
AOCI into Income
Location of Gain (Loss) Reclassified from
AOCI into Income
 202020192018202020192018
Cash Flow Hedges:       
Foreign currency contracts$— $$— $— $$(3)Cost of sales
Cross-currency contracts— — — — Interest expense /other operating income, net
Interest rate contracts(53)(11)— (13)(6)(5)Interest expense
Total$(53)$(10)$$(13)$(4)$(7) 
Net Investment Hedges:       
Foreign currency contracts$(1)$17 $—     
Gain (Loss)
Recognized in Income
Location of
Gain (Loss)
Recognized in Income
 202020192018
Derivatives Not Designated as Hedging Instruments:
Commodity contracts$(32)$(344)$155 Cost of sales
Commodity contracts10 (5)Revenues
Foreign currency contracts(20)38 16 Other non-operating (expense) income, net
Total$(42)$(299)$166