Hedging Activities and Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Hedging Activities and Fair Value Measurements [Abstract]

Hedging Instruments Under the FASB's Derivative and Hedging Guidance

The following table summarizes our portfolio of commodity derivative instruments outstanding at March 31, 2025 (volume measures as noted):

	Volume (1)		Accounting
Derivative Purpose	Current (2)	Long-Term (2)	Treatment
Derivatives designated as hedging instruments:
Natural gas processing:
Forecasted sales of natural gas (Bcf)	38.8	27.5	Cash flow hedge
Forecasted sales of NGLs (MMBbls)	4.3	n/a	Cash flow hedge
Octane enhancement:
Forecasted sales of octane enhancement products (MMBbls)	2.9	n/a	Cash flow hedge
Natural gas marketing:
Natural gas storage inventory management activities (Bcf)	2.2	n/a	Fair value hedge
NGL marketing:
Forecasted purchases of NGLs and related hydrocarbon products (MMBbls)	192.8	13.8	Cash flow hedge
Forecasted sales of NGLs and related hydrocarbon products (MMBbls)	183.9	14.2	Cash flow hedge
Refined products marketing:
Forecasted purchases of refined products (MMBbls)	3.2	n/a	Cash flow hedge
Forecasted sales of refined products (MMBbls)	3.9	n/a	Cash flow hedge
Crude oil marketing:
Forecasted purchases of crude oil (MMBbls)	12.3	6.5	Cash flow hedge
Forecasted sales of crude oil (MMBbls)	22.2	13.1	Cash flow hedge
Petrochemical marketing:
Forecasted sales of petrochemical products (MMBbls)	0.2	n/a	Cash flow hedge
Commercial energy:
Forecasted purchases of power related to asset operations (terawatt hours (“TWh”))	1.2	0.1	Cash flow hedge
Derivatives not designated as hedging instruments:
Natural gas risk management activities (Bcf) (3)	71.0	3.1	Mark-to-market
NGL risk management activities (MMBbls) (3)	21.6	16.8	Mark-to-market
Refined products risk management activities (MMBbls) (3)	7.1	n/a	Mark-to-market
Crude oil risk management activities (MMBbls) (3)	142.2	n/a	Mark-to-market
Commercial energy risk management activities (TWh) (3)	3.9	11.8	Mark-to-market

(1)	Volume for derivatives designated as hedging instruments reflects the total amount of volumes hedged whereas volume for derivatives not designated as hedging instruments reflects the absolute value of derivative notional volumes.
(2)	The maximum term for derivatives designated as cash flow hedges, derivatives designated as fair value hedges and derivatives not designated as hedging instruments is December 2027, December 2025 and December 2027, respectively.
(3)	Reflects the use of derivative instruments to manage risks associated with our transportation, processing and storage assets.

Derivative Assets and Liabilities Balance Sheet

The following table provides a balance sheet overview of our derivative assets and liabilities at the dates indicated:

	Asset Derivatives						Liability Derivatives
	March 31, 2025			December 31, 2024			March 31, 2025			December 31, 2024
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives designated as hedging instruments
Interest rate derivatives	Current  assets	$	2	Current assets	$	–	Current liabilities	$	–	Current liabilities	$	–
Commodity derivatives	Current assets		345	Current assets		210	Current liabilities		280	Current liabilities		178
Commodity derivatives	Other assets		46	Other assets		22	Other liabilities		2	Other liabilities		4
Total commodity derivatives			391			232			282			182
Total derivatives designated as hedging instruments		$	393		$	232		$	282		$	182
Derivatives not designated as hedging instruments
Commodity derivatives	Current assets	$	268	Current assets	$	324	Current liabilities	$	258	Current liabilities	$	293
Commodity derivatives	Other assets		18	Other assets		19	Other liabilities		11	Other liabilities		20
Total commodity derivatives			286			343			269			313
Total derivatives not designated as hedging instruments		$	286		$	343		$	269		$	313

Offsetting Financial Assets

	Offsetting of Financial Assets and Derivative Assets
	Gross Amounts of Recognized Assets			Gross Amounts Offset in the Balance Sheet			Amounts of Assets Presented in the Balance Sheet			Gross Amounts Not Offset in the Balance Sheet									Amounts That Would Have Been Presented On Net Basis
										Financial Instruments				Cash Collateral Received			Cash Collateral Paid
	(i)			(ii)			(iii) = (i) – (ii)			(iv)									(v) = (iii) + (iv)
As of March 31, 2025:
Interest rate derivatives		$	2		$	–		$	2		$	–		$	–		$	–		$	2
Commodity derivatives			677			–			677			(550	)		(127	)		–			–
As of December 31, 2024:
Commodity derivatives		$	575		$	–		$	575		$	(495	)	$	(79	)	$	–		$	1

Offsetting Financial Liabilities

	Offsetting of Financial Liabilities and Derivative Liabilities
	Gross Amounts of Recognized Liabilities			Gross Amounts Offset in the Balance Sheet			Amounts of Liabilities Presented in the Balance Sheet			Gross Amounts Not Offset in the Balance Sheet										Amounts That Would Have Been Presented On Net Basis
										Financial Instruments				Cash Collateral Received			Cash Collateral Paid
	(i)			(ii)			(iii) = (i) – (ii)			(iv)										(v) = (iii) + (iv)
As of March 31, 2025:
Commodity derivatives		$	551		$	–		$	551		$	(550	)		$	–		$	–		$	1
As of December 31, 2024:
Commodity derivatives		$	495		$	–		$	495		$	(495	)		$	–		$	–		$	–

Derivative Instruments Effects on Statements of Operations

The following tables present the effect of our derivative instruments designated as fair value hedges on our Unaudited Condensed Statements of Consolidated Operations for the periods indicated:

Derivatives in Fair Value Hedging Relationships	Location	Gain (Loss) Recognized in Income on Derivative
		For the Three Months Ended March 31,
		2025		2024
Commodity derivatives	Revenue	$	1	$	1
Total		$	1	$	1

Derivatives in Fair Value Hedging Relationships	Location	Gain (Loss) Recognized in Income on Hedged Item
		For the Three Months Ended March 31,
		2025		2024
Commodity derivatives	Revenue	$	–	$	4
Total		$	–	$	4

Derivative Instruments Effects on Statements of Comprehensive Income

The following tables present the effect of our derivative instruments designated as cash flow hedges on our Unaudited Condensed Statements of Consolidated Operations and Unaudited Condensed Statements of Consolidated Comprehensive Income for the periods indicated:

Derivatives in Cash Flow Hedging Relationships	Change in Value Recognized in Other Comprehensive Income (Loss) on Derivative
	For the Three Months Ended March 31,
	2025		2024
Interest rate derivatives	$	2	$	2
Commodity derivatives – Revenue (1)		18		(149	)
Commodity derivatives – Operating costs and expenses (1)		4		(13	)
Total	$	24	$	(160	)

(1) The fair value of these derivative instruments will be reclassified to their respective locations on the Unaudited Condensed Statement of Consolidated Operations when the forecasted transactions affect earnings.

Gain/(Loss) Reclassified from Accumulated Other Comprehensive Income/(Loss) to Income

Derivatives in Cash Flow Hedging Relationships	Location	Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) to Income
		For the Three Months Ended March 31,
		2025			2024
Interest rate derivatives	Interest expense	$	1		$	2
Commodity derivatives	Revenue		(14	)		19
Commodity derivatives	Operating costs and expenses		(12	)		(17	)
Total		$	(25	)	$	4

Gain/(Loss) Recognized in Income on Derivative

The following table presents the effect of our derivative instruments not designated as hedging instruments on our Unaudited Condensed Statements of Consolidated Operations for the periods indicated:

Derivatives Not Designated as Hedging Instruments	Location	Gain (Loss) Recognized in Income on Derivative
		For the Three Months Ended March 31,
		2025			2024
Commodity derivatives	Revenue	$	(21	)	$	13
Commodity derivatives	Operating costs and expenses		(2	)		(1	)
Total		$	(23	)	$	12

Fair Value Measurements of Financial Assets and Liabilities Measured on a Recurring Basis

	At March 31, 2025 Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total
Financial assets:
Interest rate derivatives	$	–		$	2		$	–	$	2
Commodity derivatives:
Value before application of CME Rule 814		292			740			–		1,032
Impact of CME Rule 814		(57	)		(298	)		–		(355	)
Total commodity derivatives		235			442			–		677
Total	$	235		$	444		$	–	$	679
Financial liabilities:
Commodity derivatives:
Value before application of CME Rule 814	$	330		$	637		$	–	$	967
Impact of CME Rule 814		(125	)		(291	)		–		(416	)
Total commodity derivatives		205			346			–		551
Total	$	205		$	346		$	–	$	551

	At December 31, 2024 Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)			Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total
Financial assets:
Commodity derivatives:
Value before application of CME Rule 814	$	355		$	443		$	–		$	798
Impact of CME Rule 814		(56	)		(167	)		–			(223	)
Total commodity derivatives		299			276			–			575
Total	$	299		$	276		$	–		$	575
Financial liabilities:
Commodity derivatives:
Value before application of CME Rule 814	$	291		$	404		$	21		$	716
Impact of CME Rule 814		(43	)		(157	)		(21	)		(221	)
Total commodity derivatives		248			247			–			495
Total	$	248		$	247		$	–		$	495