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Derivative Assets And Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Offsetting Assets [Table Text Block]

												Asset Derivatives												Liability Derivatives
						Balance Sheet Location						December 31, 2020						December 31, 2019						December 31, 2020						December 31, 2019
Derivatives without offsetting agreements						Derivative liabilities						$	—					$	—					$	(448)					$	(399)
Derivatives in offsetting agreements:
OTC contracts						Derivative assets (liabilities)						53						41						(71)						(39)
Broker cleared derivative contracts						Other current assets (liabilities)						115						343						(198)						(350)
												168						384						(717)						(788)
Offsetting agreements:
Counterparty netting						Derivative assets (liabilities)						(44)						(18)						44						18
Counterparty netting						Other current assets (liabilities)						(64)						(318)						64						318
Total net derivatives												$	60					$	48					$	(609)					$	(452)

Outstanding Commodity-Related Derivatives

The following table details our outstanding commodity-related derivatives: 

			December 31, 2020												December 31, 2019
			Notional Volume						Maturity						Notional Volume						Maturity
Mark-to-Market Derivatives
(Trading)
Natural Gas (BBtu):
Fixed Swaps/Futures			1,603						2021-2022						1,483						2020
Basis Swaps IFERC/NYMEX(1)			(44,225)						2021-2022						(35,208)						2020-2024
Power (Megawatt):
Forwards			1,392,400						2021-2029						3,213,450						2020-2029
Futures			18,706						2021-2022						(353,527)						2020
Options – Puts			519,071						2021						51,615						2020
Options – Calls			2,343,293						2021						(2,704,330)						2020-2021
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX			(29,173)						2021-2022						(18,923)						2020-2022
Swing Swaps IFERC			11,208						2021						(9,265)						2020
Fixed Swaps/Futures			(53,575)						2021-2022						(3,085)						2020-2021
Forward Physical Contracts			(11,861)						2021						(13,364)						2020-2021
NGL (MBbls) – Forwards/Swaps			(5,840)						2021-2022						(1,300)						2020-2021
Crude (MBbls) – Forwards/Swaps			—						—						4,465						2020
Refined Products (MBbls) – Futures			(2,765)						2021						(2,473)						2020-2021
Corn (thousand bushels)			—						—						(1,210)						2020
Fair Value Hedging Derivatives
(Non-Trading)
Natural Gas (BBtu):
Basis Swaps IFERC/NYMEX			(30,113)						2021						(31,780)						2020
Fixed Swaps/Futures			(30,113)						2021						(31,780)						2020
Hedged Item – Inventory			30,113						2021						31,780						2020

(1)Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Interest Rate Swaps Outstanding

The following table summarizes our interest rate swaps outstanding, none of which were designated as hedges for accounting purposes:

Term						Type (1)						Notional Amount Outstanding
												December 31, 2020						December 31, 2019
July 2020 (2)(3)						Forward-starting to pay a fixed rate of 3.52% and receive a floating rate						$	—					$	400
July 2021 (2)						Forward-starting to pay a fixed rate of 3.55% and receive a floating rate						400						400
July 2022 (2)						Forward-starting to pay a fixed rate of 3.80% and receive a floating rate						400						400

(1)Floating rates are based on 3-month LIBOR.

Fair Value Of Derivative Instruments

The following table provides a summary of our derivative assets and liabilities: 

			Fair Value of Derivative Instruments
			Asset Derivatives												Liability Derivatives
			December 31, 2020						December 31, 2019						December 31, 2020						December 31, 2019
Derivatives designated as hedging instruments:
Commodity derivatives (margin deposits)			$	25					$	24					$	(32)					$	—
			25						24						(32)						—
Derivatives not designated as hedging instruments:
Commodity derivatives (margin deposits)			90						319						(166)						(350)
Commodity derivatives			53						41						(71)						(39)
Interest rate derivatives			—						—						(448)						(399)
			143						360						(685)						(788)
Total derivatives			$	168					$	384					$	(717)					$	(788)

Partnership's Derivative Assets And Liabilities Amount Of Gain (Loss) Recognized

The following tables summarize the amounts recognized with respect to our derivative financial instruments:

			Location of Gain (Loss) Recognized in Income on Derivatives						Amount of Gain (Loss) Recognized in Income Representing Hedge Ineffectiveness and Amount Excluded from the Assessment of Effectiveness
									Years Ended December 31,
									2020						2019						2018
Derivatives in fair value hedging relationships (including hedged item):
Commodity derivatives			Cost of products sold						$	—					$	—					$	(3)

Derivatives Not Designated as Hedging Instruments [Table Text Block]

			Location of Gain (Loss) Recognized in Income on Derivatives						Amount of Gain (Loss) Recognized in Income on Derivatives
									Years Ended December 31,
									2020						2019						2018
Derivatives not designated as hedging instruments:
Commodity derivatives – Trading			Revenues						$	—					$	(3)					$	—
Commodity derivatives – Trading			Cost of products sold						8						21						32
Commodity derivatives – Non-trading			Cost of products sold						(34)						(100)						(102)
Interest rate derivatives			Gains (losses) on interest rate derivatives						(203)						(241)						47
Total									$	(229)					$	(323)					$	(23)

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