Accounting Pronouncements Schedule of new accounting pronouncements and changes (Tables)

6 Months Ended

Jun. 30, 2017

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Restatement to Prior Year Income [Table Text Block]

See Note 9 to the Consolidated Financial Statements. The retrospective impact of the adoption is shown in the table below (in millions):

	Three Months Ended June 30, 2017
	As Previously Reported			Adjustments			As Revised
Operating expenses	$	3,463		$	13		$	3,476
Operating income	$	1,787		$	(13	)	$	1,774
Other (income) expense, net	$	(6	)	$	(13	)	$	(19	)

	Six Months Ended June 30, 2017
	As Previously Reported			Adjustments			As Revised
Operating expenses	$	7,054		$	27		$	7,081
Operating income	$	3,381		$	(27	)	$	3,354
Other (income) expense, net	$	(9	)	$	(27	)	$	(36	)