Business Restructuring (Tables)

12 Months Ended

Dec. 31, 2020

Restructuring and Related Activities [Abstract]

Activity Related to Restructuring Reserves

The reserve activity for the years ended December 31, 2020 and 2019, was as follows:

Restructuring Reserve Activity
($ in millions)	Total Reserve
December 31, 2018	$110
2019 restructuring charges	194
Release of prior reserves and other adjustments	(18)
Cash payments	(58)
Foreign currency impact	(4)
December 31, 2019	$224
Approved restructuring actions (a)	203
Release of prior reserves and other adjustments	(29)
Cash payments	(126)
Foreign currency impact	21
December 31, 2020	$293

(a) In 2020, additional programs were approved by management and charges of $27 million were recorded in PPG's financial results.