Earnings Per Share (Reconciliation of weighted average number of shares outstanding) (Detail) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Earnings Per Share [Abstract]
Basic weighted average number of shares outstanding (shares)	142	144	142	144
Dilutive common share equivalents-stock options and other stock awards (shares)	2	2	2	2
Diluted weighted average number of shares outstanding (shares)	144	146	144	146