v3.25.2
Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2025
Fair Value Measurements [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
The following tables summarize the gross fair value of our financial assets and liabilities measured and recorded at fair value on a recurring basis as of June 30, 2025 and December 31, 2024 based on inputs used to derive their fair values:
Fair Value Measurements at
June 30, 2025
Fair Value TotalLevel 1Level 2Level 3
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$12 $12 $— $— 
Swing Swaps IFERC2 2 — — 
Fixed Swaps/Futures29 29 — — 
Power:
Forwards37 — 37 — 
Futures19 19 — — 
Options – Calls3 3 — — 
NGLs – Forwards/Swaps169 161 8 — 
Refined Products – Futures15 15 — — 
Crude – Forwards/Swaps59 59 — — 
Total commodity derivatives345 300 45 — 
Other non-current assets210 210 — — 
Total assets$555 $510 $45 $— 
Liabilities:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$(23)$(23)$— $— 
Swing Swaps IFERC(3)(3)— — 
Fixed Swaps/Futures(9)(9)— — 
Power:
Forwards(36)— (36)— 
Futures(21)(21)— — 
Options – Calls(3)(3)— — 
NGLs – Forwards/Swaps(120)(112)(8)— 
Refined Products – Futures(7)(7)— — 
Crude – Forwards/Swaps(44)(44)— — 
Total commodity derivatives(266)(222)(44)— 
Total liabilities$(266)$(222)$(44)$— 
Fair Value Measurements at
December 31, 2024
Fair Value TotalFair Value - Level 1Level 2Level 3
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$6 $6 $— $— 
Swing Swaps IFERC4 4 — — 
Fixed Swaps/Futures10 10 — — 
Power:
Forwards39 39 — — 
Futures10 10 — — 
NGLs – Forwards/Swaps166 166 — — 
Refined Products – Futures3 3 — — 
Crude – Forwards/Swaps25 25 — — 
Total commodity derivatives263 263 — — 
Other non-current assets212 212 — — 
Total assets$475 $475 $— $— 
Liabilities:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$(11)$(11)$— $— 
Swing Swaps IFERC(11)(11)— — 
Fixed Swaps/Futures(9)(9)— — 
Power:
Forwards(38)(38)— — 
Futures(10)(10)— — 
NGLs – Forwards/Swaps(170)(170)— — 
Refined Products – Futures(9)(9)— — 
Crude – Forwards/Swaps(35)(35)— — 
Total commodity derivatives(293)(293)— — 
Total liabilities$(293)$(293)$— $—