Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

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.

	Year Ended December 31,
	2017			2016			2015
Commodity derivatives:
Upstream revenues	$	157		$	(201	)	$	503
Marketing and midstream revenues		(1	)		(13	)		9
Interest rate derivatives:
Other expenses		(22	)		(19	)		(20	)
Foreign currency derivatives:
Other expenses		—			(153	)		246
Net gains (losses) recognized	$	134		$	(386	)	$	738

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

	December 31, 2017		December 31, 2016
Commodity derivative assets:
Other current assets	$	209	$	9
Other long-term assets		2		1
Interest rate derivative assets:
Other current assets		1		1
Total derivative assets	$	212	$	11
Commodity derivative liabilities:
Other current liabilities	$	267	$	187
Other long-term liabilities		27		16
Interest rate derivative liabilities:
Other current liabilities		64		—
Other long-term liabilities		—		41
Total derivative liabilities	$	358	$	244

Interest Rate Derivatives [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

Notional		Rate Received	Rate Paid	Expiration
$	750	Three Month LIBOR	2.98%	December 2048 (1)
$	100	1.76%	Three Month LIBOR	January 2019

(1) Mandatory settlement in December 2018.

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)
Q1-Q4 2018		49,625	$	52.13		51,860	$	46.06	$	56.06
Q1-Q4 2019		7,307	$	52.22		6,559	$	45.82	$	55.82

	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)
Q1-Q4 2018	Midland Sweet		23,000	$	(1.02	)		—	$	—		$	—
Q1-Q4 2018	Argus LLS		12,000	$	3.95			—	$	—		$	—
Q1-Q4 2018	Western Canadian Select		75,490	$	(14.84	)		1,830	$	(15.50	)	$	(13.93	)
Q1-Q4 2019	Midland Sweet		27,000	$	(0.47	)		—	$	—		$	—

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)
Q1-Q4 2018		371,956	$	3.06		197,516	$	2.94	$	3.26
Q1-Q4 2019		28,466	$	2.98		28,466	$	2.84	$	3.14

	Natural Gas Basis Swaps
Period	Index	Volume (MMBtu/d)		Weighted Average Differential to Henry Hub ($/MMBtu)
Q1-Q4 2018	Panhandle Eastern Pipe Line		50,000	$	(0.29	)

Open NGL Derivative Positions [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

		Price Swaps
Period	Product	Volume (Bbls/d)		Weighted Average Price ($/Bbl)
Q1-Q4 2018	Ethane		6,747	$	11.89
Q1-Q4 2018	Natural Gasoline		5,500	$	54.24
Q1-Q4 2018	Normal Butane		6,750	$	38.46
Q1-Q4 2018	Propane		9,500	$	33.19

Gas Processing And Fractionation Open Positions [Member] | EnLink [Member]

Derivative [Line Items]

Schedule Of Open Derivative Positions

Period	Product	Volume (Total)			Weighted Average Price Paid	Weighted Average Price Received
Q1-Q4 2018	Propane		681	MBbls	Index	$0.88/gal
Q1 2018-Q1 2019	Natural Gas		122,629	MMBtu/d	Index	$2.57/MMBtu