Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consisted of the following at December 31:

	2016		2015
	(In millions)
Revenue payable	$	196	$	164
Accrued capital costs	92		128
Accrued lease operating expenses	37		48
Employee incentive expense	48		53
Accrued interest on debt	67		66
Taxes payable	15		25
Other	43		49
Total accrued liabilities	$	498	$	533