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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 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 March 31, 2021 and December 31, 2020 based on inputs used to derive their fair values:
Fair Value Measurements at
March 31, 2021
Fair Value TotalLevel 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$14 $14 $— 
Swing Swaps IFERC
— 
Fixed Swaps/Futures
— 
Forward Physical Contracts
— 
Power:
Forwards
14 — 14 
Futures
— 
NGLs – Forwards/Swaps
91 91 — 
Refined Products – Futures
— 
Crude – Forwards/Swaps
135 135 — 
Total commodity derivatives
266 245 21 
Other non-current assets
36 24 12 
Total assets
$302 $269 $33 
Liabilities:
Interest rate derivatives
$(254)$— $(254)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
(10)(10)— 
Fixed Swaps/Futures
(7)(7)— 
Forward Physical Contracts
(2)— (2)
Power:
Forwards
(9)— (9)
Futures
(2)(2)— 
NGLs – Forwards/Swaps
(162)(162)— 
Refined Products – Futures
(2)(2)— 
Crude – Forwards/Swaps
(130)(130)— 
Total commodity derivatives
(324)(313)(11)
Total liabilities
$(578)$(313)$(265)
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)