Basis of Presentation - Impact of Adoption of New Accounting Pronouncement (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets	$ 14,263			$ 13,518
Liabilities	8,145			$ 7,611
Performance obligations satisfied in prior periods	83
Operating income	$ 293	$ 251
Diluted earnings per share (in dollars per share)	$ 2.71	$ 2.54
Research and development expense	$ 71	$ 75
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets			$ 640
Liabilities			$ 640
Adjustments for New Accounting Pronouncement [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income	$ 66	$ 50
Diluted earnings per share (in dollars per share)	$ 0.63	$ 0.48