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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2021
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, 2021 and December 31, 2020 based on inputs used to derive their fair values:
Fair Value Measurements at
June 30, 2021
Fair Value TotalLevel 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$10 $10 $— 
Swing Swaps IFERC
— 
Fixed Swaps/Futures
— 
Forward Physical Contracts
— 
Power:
Forwards
33 — 33 
Futures
— 
NGLs – Forwards/Swaps
208 208 — 
Refined Products – Futures
— 
Crude – Forwards/Swaps
101 101 — 
Total commodity derivatives
373 333 40 
Other non-current assets
37 24 13 
Total assets
$410 $357 $53 
Liabilities:
Interest rate derivatives
$(378)$— $(378)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
(7)(7)— 
Swing Swaps IFERC
(1)(1)— 
Fixed Swaps/Futures
(20)(20)— 
Forward Physical Contracts
(1)— (1)
Power:
Forwards
(21)— (21)
Futures
(12)(12)— 
NGLs – Forwards/Swaps
(225)(225)— 
Refined Products – Futures
(2)(2)— 
Crude – Forwards/Swaps
(98)(98)— 
Total commodity derivatives
(387)(365)(22)
Total liabilities
$(765)$(365)$(400)
Fair Value Measurements at
December 31, 2020
Fair Value TotalLevel 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$12 $12 $— 
Swing Swaps IFERC
— 
Fixed Swaps/Futures
13 13 — 
Forward Physical Contracts
— 
Power:
Forwards
— 
Futures
— 
Options – Calls
— 
NGLs – Forwards/Swaps
127 127 — 
Refined Products – Futures
— 
Total commodity derivatives
168 158 10 
Other non-current assets
34 22 12 
Total assets
$202 $180 $22 
Liabilities:
Interest rate derivatives
$(448)$— $(448)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
(11)(11)— 
Swing Swaps IFERC
(3)— (3)
Fixed Swaps/Futures
(13)(13)— 
Forward Physical Contracts
(1)— (1)
Power:
Futures
(3)(3)— 
NGLs – Forwards/Swaps
(227)(227)— 
Refined Products – Futures
(11)(11)— 
Total commodity derivatives
(269)(265)(4)
Total liabilities
$(717)$(265)$(452)