Earnings Per Share - Computations of Basic and Diluted Net Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Basic net earnings	$ 386,483	$ 683,153	$ 888,289	$ 1,037,332
Earnings allocated to participating securities, Basic	(2,431)	(2,919)	(4,536)	(3,940)
Net earnings available to common stockholders, Basic	$ 384,052	$ 680,234	$ 883,753	$ 1,033,392
Average shares outstanding	305,461	318,467	306,017	318,941
Basic net earnings per share	$ 1.26	$ 2.14	$ 2.89	$ 3.24
Diluted net earnings	$ 386,483	$ 683,153	$ 888,289	$ 1,037,332
Earnings allocated to participating securities, Diluted	(2,430)	(2,909)	(4,532)	(3,926)
Net earnings available to common stockholders, Diluted	$ 384,053	$ 680,244	$ 883,757	$ 1,033,406
Dilutive effect of stock options and other	491	924	542	989
Diluted average shares outstanding	305,952	319,391	306,559	319,930
Diluted net earnings per share	$ 1.26	$ 2.13	$ 2.88	$ 3.23