XML 58 R45.htm IDEA: XBRL DOCUMENT v3.23.2
Fair Value Measurements Table - Fair Value of Financial Assets and Liabilities (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Price Risk Derivative Assets, at Fair Value $ 809 $ 688
Other Assets, Fair Value Disclosure 29 27
Assets, Fair Value Disclosure 851 715
Interest Rate Derivative Liabilities, at Fair Value (23) (23)
Price Risk Derivative Liabilities, at Fair Value (750) (526)
Financial and Nonfinancial Liabilities, Fair Value Disclosure (773) (549)
Interest Rate Derivative Assets, at Fair Value 13  
Level 1    
Price Risk Derivative Assets, at Fair Value 750 626
Other Assets, Fair Value Disclosure 19 18
Assets, Fair Value Disclosure 769 644
Interest Rate Derivative Liabilities, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value (696) (473)
Financial and Nonfinancial Liabilities, Fair Value Disclosure (696) (473)
Interest Rate Derivative Assets, at Fair Value 0  
Level 2    
Price Risk Derivative Assets, at Fair Value 59 62
Other Assets, Fair Value Disclosure 10 9
Assets, Fair Value Disclosure 82 71
Interest Rate Derivative Liabilities, at Fair Value (23) (23)
Price Risk Derivative Liabilities, at Fair Value (54) (53)
Financial and Nonfinancial Liabilities, Fair Value Disclosure (77) (76)
Interest Rate Derivative Assets, at Fair Value 13  
Commodity Derivatives - Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member]    
Price Risk Derivative Assets, at Fair Value 3 60
Price Risk Derivative Liabilities, at Fair Value (11) (25)
Commodity Derivatives - Natural Gas [Member] | Swing Swaps IFERC [Member]    
Price Risk Derivative Assets, at Fair Value 5 75
Price Risk Derivative Liabilities, at Fair Value (3) (12)
Commodity Derivatives - Natural Gas [Member] | Fixed Swaps/Futures [Member]    
Price Risk Derivative Assets, at Fair Value 38 113
Price Risk Derivative Liabilities, at Fair Value (5) (4)
Commodity Derivatives - Natural Gas [Member] | Forward Physical Contracts [Member]    
Price Risk Derivative Assets, at Fair Value 4 10
Price Risk Derivative Liabilities, at Fair Value   (2)
Commodity Derivatives - Natural Gas [Member] | Level 1 | Basis Swaps IFERC/NYMEX [Member]    
Price Risk Derivative Assets, at Fair Value 3 60
Price Risk Derivative Liabilities, at Fair Value (11) (25)
Commodity Derivatives - Natural Gas [Member] | Level 1 | Swing Swaps IFERC [Member]    
Price Risk Derivative Assets, at Fair Value 5 75
Price Risk Derivative Liabilities, at Fair Value (3) (12)
Commodity Derivatives - Natural Gas [Member] | Level 1 | Fixed Swaps/Futures [Member]    
Price Risk Derivative Assets, at Fair Value 38 113
Price Risk Derivative Liabilities, at Fair Value (5) (4)
Commodity Derivatives - Natural Gas [Member] | Level 1 | Forward Physical Contracts [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value   0
Commodity Derivatives - Natural Gas [Member] | Level 2 | Basis Swaps IFERC/NYMEX [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Natural Gas [Member] | Level 2 | Swing Swaps IFERC [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Natural Gas [Member] | Level 2 | Fixed Swaps/Futures [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Natural Gas [Member] | Level 2 | Forward Physical Contracts [Member]    
Price Risk Derivative Assets, at Fair Value 4 10
Price Risk Derivative Liabilities, at Fair Value   (2)
Commodity Derivatives - Refined Products [Member] | Future [Member]    
Price Risk Derivative Assets, at Fair Value 9 20
Price Risk Derivative Liabilities, at Fair Value (16) (59)
Commodity Derivatives - Refined Products [Member] | Level 1 | Future [Member]    
Price Risk Derivative Assets, at Fair Value 9 20
Price Risk Derivative Liabilities, at Fair Value (16) (59)
Commodity Derivatives - Refined Products [Member] | Level 2 | Future [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Crude [Member] | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 16 38
Price Risk Derivative Liabilities, at Fair Value (6) (12)
Commodity Derivatives - Crude [Member] | Level 1 | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 16 38
Price Risk Derivative Liabilities, at Fair Value (6) (12)
Commodity Derivatives - Crude [Member] | Level 2 | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Power [Member] | Call Option [Member]    
Price Risk Derivative Assets, at Fair Value 1  
Price Risk Derivative Liabilities, at Fair Value (1)  
Commodity Derivatives - Power [Member] | Future [Member]    
Price Risk Derivative Assets, at Fair Value 8 3
Price Risk Derivative Liabilities, at Fair Value (10) (3)
Commodity Derivatives - Power [Member] | Forward Contracts    
Price Risk Derivative Assets, at Fair Value 55 52
Price Risk Derivative Liabilities, at Fair Value (54) (51)
Commodity Derivatives - Power [Member] | Level 1 | Call Option [Member]    
Price Risk Derivative Assets, at Fair Value 1  
Price Risk Derivative Liabilities, at Fair Value (1)  
Commodity Derivatives - Power [Member] | Level 1 | Future [Member]    
Price Risk Derivative Assets, at Fair Value 8 3
Price Risk Derivative Liabilities, at Fair Value (10) (3)
Commodity Derivatives - Power [Member] | Level 1 | Forward Contracts    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Power [Member] | Level 2 | Call Option [Member]    
Price Risk Derivative Assets, at Fair Value 0  
Price Risk Derivative Liabilities, at Fair Value 0  
Commodity Derivatives - Power [Member] | Level 2 | Future [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value 0 0
Commodity Derivatives - Power [Member] | Level 2 | Forward Contracts    
Price Risk Derivative Assets, at Fair Value 55 52
Price Risk Derivative Liabilities, at Fair Value (54) (51)
Commodity Derivatives - NGLs [Member] | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 670 317
Price Risk Derivative Liabilities, at Fair Value (644) (358)
Commodity Derivatives - NGLs [Member] | Level 1 | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 670 317
Price Risk Derivative Liabilities, at Fair Value (644) (358)
Commodity Derivatives - NGLs [Member] | Level 2 | Forward Swaps [Member]    
Price Risk Derivative Assets, at Fair Value 0 0
Price Risk Derivative Liabilities, at Fair Value $ 0 $ 0