Organization, Consolidation and Presentation of Financial Statements Presentation of Financial Statements (Tables)

6 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of New Accounting Pronouncements Not yet Adopted

Select line items from our condensed consolidated statements of income for the three and six months ended June 30, 2017 and the year ended December 31, 2016 which reflect the changes in presentation of net benefit costs are as follows.

(millions)	Three months ended June 30, 2017				Six months ended June 30, 2017				Year ended December 31, 2016
	After Adoption		As Reported		After Adoption		As Reported		After Adoption			As Reported
Gross profit	$	166	$	168	$	324	$	332	$	700		$	705
Operating profit	95		96		179		187		396			394
Other net periodic postretirement benefit (costs)	1		—		8		—		(2		)	—
Net income	36		36		91		91		510			510