Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory, Net [Abstract]

Schedule Of Inventory

The classes of inventory as of December 31 are summarized as follows ($ in millions):

	2020		2019
Finished goods	$	1,232	$	833
Work in process	369		285
Raw materials	691		510
Total	$	2,292	$	1,628