New Accounting Standards Implemented (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	$ 251	$ 237
Interest and other income, net	6	4
Cumulative effect adjustment of ASC 606 on January 1, 2018, net of taxes			$ 13
Accounting Standards Update 2017-07 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	(2)	1
Retained Earnings [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Interest and other income, net	$ 2	$ (1)
Cumulative effect adjustment of ASC 606 on January 1, 2018, net of taxes			13
Net Sales [Member] | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment of ASC 606 on January 1, 2018, net of taxes			$ 380