XML 70 R57.htm IDEA: XBRL DOCUMENT v3.23.1
Derivative Assets And Liabilities Table - Outstanding Commodity-Related Derivatives (Details)
Mar. 31, 2023
Megawatt
MMbtu
bbl
barrels
Dec. 31, 2022
MMbtu
bbl
Megawatt
barrels
Natural Gas Liquids [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forwards Swaps [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount | bbl (10,341) (6,934)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Basis Swaps IFERC/NYMEX [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount (40,533) (42,440)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Swing Swaps IFERC [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount (58,778) (202,815)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Fixed Swaps/Futures [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount (10,225) (15,758)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forward Physical Contracts [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount (532) (2,423)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Basis Swaps IFERC/NYMEX [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount [1] (49,423) (39,563)
Natural Gas [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Fixed Swaps/Futures [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount (215) (145)
Natural Gas [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Basis Swaps IFERC/NYMEX [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount (45,535) (37,448)
Natural Gas [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Fixed Swaps/Futures [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount (45,535) (37,448)
Natural Gas [Member] | Fair Value Hedging [Member] | Non Trading [Member] | Hedged Item - Inventory (MMBtu) [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount (45,535) (37,448)
Power [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Options - Puts [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount | Megawatt (8,000)  
Power [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Call Option [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount | Megawatt (119,200) 0
Power [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Forwards Swaps [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount | Megawatt (85,400) 0
Power [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Future [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount | Megawatt (289,918) (21,384)
Power [Member] | Mark-To-Market Derivatives [Member] | Trading [Member] | Put Option [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount | Megawatt   (119,200)
Crude Oil [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forwards Swaps [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount | bbl (4,257)  
Crude Oil [Member] | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Forwards Swaps [Member] | Long [Member]    
Derivative, Nonmonetary Notional Amount | bbl   (795)
Refined product sales | Mark-To-Market Derivatives [Member] | Non Trading [Member] | Future [Member] | Short [Member]    
Derivative, Nonmonetary Notional Amount | barrels (2,401) (3,547)
[1] Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.