Income From Continuing Operations Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Earnings Per Share [Abstract]
Income from continuing operations (A)	$ 427	$ 429	$ 928	$ 941
Basic weighted average common shares outstanding (in shares) (B)	213,400,000	222,600,000	215,500,000	150,600,000
Impact of dilutive share-based awards (in shares)	1,700,000	2,800,000	1,800,000	2,900,000
Diluted weighted average common shares outstanding (in shares) (C)	215,100,000	225,400,000	217,300,000	153,500,000
Income from continuing operations per basic common share (in dollars per share) (A)/(B)	$ 2.00	$ 1.93	$ 4.31	$ 6.25
Income from continuing operations per diluted common share (in dollars per share) (A)/(C)	$ 1.99	$ 1.90	$ 4.27	$ 6.13
Potential diluted common shares outstanding (in shares)	1,500,000	500,000	1,300,000	300,000