Recent Accounting Standard Changes and Developments (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income per diluted common share	$ 1.69	$ 1.53	$ 4.63	$ 4.26
Accounting Standards Update 2016-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Quantification of adoption of new accounting pronouncement or change in accounting principle	$ (3)		$ (14)
Net income per diluted common share	$ 0.03		$ 0.18
Description of prior period information retrospectively adjusted as a result of new accounting pronouncement or change in accounting principle			In addition, the Company reclassified $13 million of excess tax benefits related to stock-based compensation for the first nine months of 2016 from cash flows from financing activities to cash flows from operating activities.