Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Derivative [Line Items]

Schedule Of Derivative Financial Instruments Included In Consolidated Comprehensive Statements Of Earnings And Consolidated Balance Sheets

The following table presents the net gains and losses by derivative financial instrument type followed by the corresponding individual consolidated comprehensive statements of earnings caption.

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Commodity derivatives:
Upstream revenues	$	(497	)	$	126		$	(538	)	$	358
Marketing revenues		(1	)		2			(1	)		3
Interest rate derivatives:
Other expenses		19			(20	)		65			(15	)
Net gains (losses) recognized	$	(479	)	$	108		$	(474	)	$	346

The following table presents the derivative fair values by derivative financial instrument type followed by the corresponding individual consolidated balance sheet caption.

	June 30, 2018		December 31, 2017
Commodity derivative assets:
Other current assets	$	213	$	203
Other long-term assets		27		2
Interest rate derivative assets:
Other current assets		1		1
Total derivative assets	$	241	$	206
Commodity derivative liabilities:
Other current liabilities	$	647	$	259
Other long-term liabilities		93		27
Interest rate derivative liabilities:
Other current liabilities		1		64
Total derivative liabilities	$	741	$	350

Interest Rate Derivatives [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

Notional		Rate Received	Rate Paid	Expiration
$	100	1.76%	Three Month LIBOR	January 2019

Open Oil Derivative Positions [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

	Price Swaps				Price Collars
Period	Volume (Bbls/d)		Weighted Average Price ($/Bbl)		Volume (Bbls/d)		Weighted Average Floor Price ($/Bbl)		Weighted Average Ceiling Price ($/Bbl)
Q3-Q4 2018		89,300	$	57.96		100,200	$	52.23	$	62.83
Q1-Q4 2019		50,130	$	58.95		65,790	$	52.60	$	62.60

	Oil Basis Swaps						Oil Basis Collars
Period	Index	Volume (Bbls/d)		Weighted Average Differential to WTI ($/Bbl)			Volume (Bbls/d)		Weighted Average Floor Differential to WTI ($/Bbl)			Weighted Average Ceiling Differential to WTI ($/Bbl)
Q3-Q4 2018	Midland Sweet		23,000	$	(1.02	)		—	$	—		$	—
Q3-Q4 2018	Argus LLS		12,000	$	3.95			—	$	—		$	—
Q3-Q4 2018	Argus MEH		15,832	$	2.82			—	$	—		$	—
Q3-Q4 2018	NYMEX Roll		19,989	$	0.60			—	$	—		$	—
Q3-Q4 2018	Western Canadian Select		64,859	$	(14.91	)		1,663	$	(15.50	)	$	(13.93	)
Q1-Q4 2019	Midland Sweet		28,000	$	(0.46	)		—	$	—		$	—
Q1-Q4 2019	Argus LLS		1,000	$	4.60			—	$	—		$	—
Q1-Q4 2019	Argus MEH		16,000	$	2.84			—	$	—		$	—
Q1-Q4 2019	NYMEX Roll		22,000	$	0.53			—	$	—		$	—
Q1-Q4 2020	NYMEX Roll		22,000	$	0.32			—	$	—		$	—

Open Natural Gas Derivative Positions [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

	Price Swaps				Price Collars
Period	Volume (MMBtu/d)		Weighted Average Price ($/MMBtu)		Volume (MMBtu/d)		Weighted Average Floor Price ($/MMBtu)		Weighted Average Ceiling Price ($/MMBtu)
Q3-Q4 2018		273,750	$	2.91		242,250	$	2.76	$	3.09
Q1-Q4 2019		181,122	$	2.81		146,810	$	2.65	$	3.04

	Natural Gas Basis Swaps
Period	Index	Volume (MMBtu/d)		Weighted Average Differential to Henry Hub ($/MMBtu)
Q3-Q4 2018	Panhandle Eastern Pipe Line		120,000	$	(0.51	)
Q3-Q4 2018	El Paso Natural Gas		100,000	$	(1.25	)
Q3-Q4 2018	Houston Ship Channel		115,000	$	0.01
Q3-Q4 2018	Transco Zone 4		15,000	$	(0.03	)
Q1-Q4 2019	Panhandle Eastern Pipe Line		54,548	$	(0.78	)
Q1-Q4 2019	El Paso Natural Gas		110,000	$	(1.50	)
Q1-Q4 2019	Houston Ship Channel		92,500	$	(0.01	)
Q1-Q4 2019	Transco Zone 4		7,397	$	(0.03	)

Open NGL Derivative Positions [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

		Price Swaps
Period	Product	Volume (Bbls/d)		Weighted Average Price ($/Bbl)
Q3-Q4 2018	Ethane		6,000	$	11.73
Q3-Q4 2018	Natural Gasoline		6,500	$	56.13
Q3-Q4 2018	Normal Butane		7,000	$	38.69
Q3-Q4 2018	Propane		12,000	$	33.72
Q1-Q4 2019	Ethane		1,000	$	11.55
Q1-Q4 2019	Natural Gasoline		4,500	$	55.93
Q1-Q4 2019	Normal Butane		4,000	$	33.69
Q1-Q4 2019	Propane		8,500	$	30.01