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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2023
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 September 30, 2023 and December 31, 2022 based on inputs used to derive their fair values:
Fair Value Measurements at
September 30, 2023
Fair Value TotalLevel 1Level 2
Assets:
Interest rate derivatives
$14 $— $14 
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$$$— 
Swing Swaps IFERC
— 
Fixed Swaps/Futures
28 28 — 
Forward Physical Contracts
— 
Power:
Forwards
46 — 46 
Futures
— 
NGLs – Forwards/Swaps
256 256 — 
Refined Products – Futures
27 27 — 
Crude – Forwards/Swaps
32 32 — 
Total commodity derivatives
405 356 49 
Other non-current assets
28 18 10 
Total assets
$447 $374 $73 
Liabilities:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$(10)$(10)$— 
Swing Swaps IFERC
(5)(5)— 
Fixed Swaps/Futures
(2)(2)— 
Power:
Forwards
(45)— (45)
Futures
(5)(5)— 
NGLs – Forwards/Swaps
(306)(306)— 
Refined Products – Futures
(35)(35)— 
Crude – Forwards/Swaps
(41)(41)— 
Total commodity derivatives
(449)(404)(45)
Total liabilities
$(449)$(404)$(45)
Fair Value Measurements at
December 31, 2022
Fair Value TotalLevel 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$60 $60 $— 
Swing Swaps IFERC
75 75 — 
Fixed Swaps/Futures
113 113 — 
Forward Physical Contracts
10 — 10 
Power:
Forwards
52 — 52 
Futures
— 
NGLs – Forwards/Swaps
317 317 — 
Refined Products – Futures
20 20 — 
Crude – Forwards/Swaps
38 38 — 
Total commodity derivatives
688 626 62 
Other non-current assets
27 18 
Total assets
$715 $644 $71 
Liabilities:
Interest rate derivatives
$(23)$— $(23)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
(25)(25)— 
Swing Swaps IFERC
(12)(12)— 
Fixed Swaps/Futures
(4)(4)— 
Forward Physical Contracts
(2)— (2)
Power:
Forwards
(51)— (51)
Futures
(3)(3)— 
NGLs – Forwards/Swaps
(358)(358)— 
Refined Products – Futures
(59)(59)— 
Crude – Forwards/Swaps
(12)(12)— 
Total commodity derivatives
(526)(473)(53)
Total liabilities
$(549)$(473)$(76)