Income From Continuing Operations Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Earnings Per Share [Abstract]
Income from continuing operations (A)	$ 413	$ 283	$ 882	$ 501
Basic weighted average common shares outstanding (in shares) (B)	203.6	215.9	205.2	216.7
Impact of dilutive share-based awards (in shares)	2.0	1.9	1.9	2.0
Diluted weighted average common shares outstanding (in shares) (C)	205.6	217.8	207.1	218.7
Income from continuing operations per basic common share (in dollars per share) (A)/(B)	$ 2.03	$ 1.31	$ 4.29	$ 2.31
Income from continuing operations per diluted common share (in dollars per share) (A)/(C)	$ 2.01	$ 1.30	$ 4.26	$ 2.29
Weighted average anti-dilutive share-based awards outstanding (in shares)	1.7	1.5	1.6	1.2