Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of:

($ in millions)	September 30, 2020		December 31, 2019
Finished goods	$	2,038	$	1,772
Raw materials and work in process	6,073		5,650
Supplies	197		207
Total (approximates current cost)	8,308		7,629
Decrease to LIFO cost	(99)		(171)
	$	8,209	$	7,458
Recognized as:
Inventories	$	6,128	$	5,978
Other assets	2,081		1,480