Inventories (Detail) - USD ($) $ in Millions		Jun. 28, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Finished goods		$ 3,002	$ 2,750
Work-in-process		4,810	4,743
Raw materials and supplies		752	790
Inventories	[1],[2]	8,564	8,283
Noncurrent inventories not included above	[3]	$ 962	$ 714

[1] The change from December 31, 2019 reflects increases for certain products, including inventory build for new product launches, network strategy and market demand, partially offset by a decrease due to foreign exchange.

[2] Amounts may not add due to rounding.

[3] Included in Other noncurrent assets. There are no recoverability issues associated with these amounts.