Supplemental Information To Statements Of Cash Flows (Tables)

6 Months Ended

Jun. 30, 2018

Supplemental Cash Flow Elements [Abstract]

Schedule Of Supplemental Information To Statements Of Cash Flows

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Changes in assets and liabilities, net
Accounts receivable	$	(188	)	$	46		$	(151	)	$	74
Other current assets		(7	)		11			(95	)		(13	)
Other long-term assets		(28	)		9			(81	)		10
Accounts payable		78			51			82			68
Revenues and royalties payable		146			(45	)		212			51
Other current liabilities		(127	)		34			(63	)		(52	)
Other long-term liabilities		(7	)		(4	)		(12	)		(5	)
Total	$	(133	)	$	102		$	(108	)	$	133
Supplementary cash flow data - total operations:
Interest paid (net of capitalized interest)	$	138		$	144		$	214		$	236
Income taxes received	$	(7	)	$	(4	)	$	(6	)	$	(1	)