Business Restructuring (Tables)

3 Months Ended

Mar. 31, 2020

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs

The following table summarizes the reserve activity for the three months ended March 31, 2020 and 2019:

	Total Reserve
($ in millions)	2020	2019
January 1	$224	$110
Newly approved restructuring actions	22	—
Release of prior reserves	(15)	(3)
Cash payments	(18)	(15)
Foreign currency impact	(3)	(1)
March 31	$210	$91