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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2024
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, 2024 and December 31, 2023 based on inputs used to derive their fair values:
Fair Value Measurements at
June 30, 2024
Fair Value TotalLevel 1Level 2
Assets:
Interest rate derivatives$$— $
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX— 
Swing Swaps IFERC— 
Fixed Swaps/Futures— 
Forward Physical Contracts— 
Power:
Forwards67 67 — 
Futures11 11 — 
NGLs – Forwards/Swaps469 469 — 
Refined Products – Futures— 
Crude – Forwards/Swaps20 20 — 
Total commodity derivatives597 588 
Other non-current assets33 22 11 
Total assets$638 $610 $28 
Liabilities:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$(8)$(8)$— 
Swing Swaps IFERC(3)(3)— 
Fixed Swaps/Futures(9)(9)— 
Power:
Forwards(64)(64)— 
Futures(7)(7)— 
NGLs – Forwards/Swaps(481)(481)— 
Refined Products – Futures(6)(6)— 
Crude – Forwards/Swaps(12)(12)— 
Total commodity derivatives(590)(590)— 
Total liabilities$(590)$(590)$— 
Fair Value Measurements at
December 31, 2023
Fair Value TotalLevel 1Level 2
Assets:
Interest rate derivatives$$— $
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX24 24 — 
Swing Swaps IFERC20 20 — 
Fixed Swaps/Futures77 77 — 
Forward Physical Contracts— 
Power:
Forwards57 57 — 
Futures— 
NGLs – Forwards/Swaps336 336 — 
Refined Products – Futures35 35 — 
Crude – Forwards/Swaps45 45 — 
Total commodity derivatives610 602 
Other non-current assets31 20 11 
Total assets$647 $622 $25 
Liabilities:
Interest rate derivatives$(4)$— $(4)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX(3)(3)— 
Swing Swaps IFERC(2)(2)— 
Fixed Swaps/Futures(16)(16)— 
Options – Puts(2)(2)— 
Power:
Forwards(56)(56)— 
Futures(8)(8)— 
NGL/Refined Products Option - Puts(1)(1)— 
NGL/Refined Products Option - Calls(1)(1)— 
NGLs – Forwards/Swaps(316)(316)— 
Refined Products – Futures(18)(18)— 
Crude – Forwards/Swaps(37)(37)— 
Total commodity derivatives(460)(460)— 
Total liabilities$(464)$(460)$(4)