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Fair Value Measurements (Tables)
9 Months Ended
Sep. 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 September 30, 2021 and December 31, 2020 based on inputs used to derive their fair values:
Fair Value Measurements at
September 30, 2021
Fair Value TotalLevel 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
$14 $14 $— 
Swing Swaps IFERC
11 11 — 
Fixed Swaps/Futures
— 
Forward Physical Contracts
— 
Power:
Forwards
36 — 36 
Futures
— 
Options – Calls
— 
NGLs – Forwards/Swaps
384 384 — 
Refined Products – Futures
— 
Crude – Forwards/Swaps
569 569 — 
Total commodity derivatives
1,034 994 40 
Other non-current assets
37 24 13 
Total assets
$1,071 $1,018 $53 
Liabilities:
Interest rate derivatives
$(376)$— $(376)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX
(5)(5)— 
Swing Swaps IFERC
(7)(7)— 
Fixed Swaps/Futures
(78)(78)— 
Forward Physical Contracts
(1)— (1)
Power:
Forwards
(21)— (21)
Futures
(11)(11)— 
Options – Calls
(2)(2)— 
NGLs – Forwards/Swaps
(364)(364)— 
Refined Products – Futures
(10)(10)— 
Crude – Forwards/Swaps
(582)(582)— 
Total commodity derivatives
(1,081)(1,059)(22)
Total liabilities
$(1,457)$(1,059)$(398)
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)