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. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share [Abstract]
Basic net earnings	$ 683,153	$ 323,048	$ 1,037,332	$ 679,947
Earnings allocated to participating securities, Basic	(2,919)	(1,138)	(3,940)	(2,333)
Net earnings available to common stockholders, Basic	$ 680,234	$ 321,910	$ 1,033,392	$ 677,614
Average shares outstanding	318,467	320,439	318,941	320,332
Basic net earnings per share	$ 2.14	$ 1.00	$ 3.24	$ 2.12
Diluted net earnings	$ 683,153	$ 323,048	$ 1,037,332	$ 679,947
Earnings allocated to participating securities, Diluted	(2,909)	(1,136)	(3,926)	(2,328)
Net earnings available to common stockholders, Diluted	$ 680,244	$ 321,912	$ 1,033,406	$ 677,619
Basic shares outstanding	318,467	320,439	318,941	320,332
Dilutive effect of stock options and other	924	787	989	854
Diluted average shares outstanding	319,391	321,226	319,930	321,186
Diluted net earnings per share	$ 2.13	$ 1.00	$ 3.23	$ 2.11