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

3 Months Ended

Mar. 31, 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 March 31, 2017
	As Previously Reported			Adjustments			As Revised
Operating expenses	$	3,591		$	14		$	3,605
Operating income	$	1,594		$	(14	)	$	1,580
Other (income) expense, net	$	(3	)	$	(14	)	$	(17	)