Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue Disclosure [Abstract]

Revenue from External Customers by Geographic Areas

Net sales by segment and region for the three and six months ended June 30, 2022 and 2021 were as follows:

	Three Months Ended June 30		Six Months Ended June 30
($ in millions)	2022	2021	2022	2021
Performance Coatings
United States and Canada	$1,329	$1,199	$2,392	$2,197
Europe, Middle East and Africa ("EMEA")	994	970	1,943	1,781
Asia Pacific	287	312	561	588
Latin America	319	268	603	502
Total	$2,929	$2,749	$5,499	$5,068
Industrial Coatings
United States and Canada	$686	$564	$1,338	$1,135
EMEA	503	482	1,007	927
Asia Pacific	402	418	825	824
Latin America	171	146	330	286
Total	$1,762	$1,610	$3,500	$3,172
Total Net Sales
United States and Canada	$2,015	$1,763	$3,730	$3,332
EMEA	1,497	1,452	2,950	2,708
Asia Pacific	689	730	1,386	1,412
Latin America	490	414	933	788
Total PPG	$4,691	$4,359	$8,999	$8,240

Accounts Receivable, Allowance for Credit Loss

The following table summarizes the activity for the allowance for doubtful accounts for the six months ended June 30, 2022 and 2021:

	Trade Receivables Allowance for Doubtful Accounts
($ in millions)	2022	2021
January 1	$31	$44
Bad debt expense	45	(11)
Recoveries of previously reserved trade receivables	(44)	—
Other	7	(8)
June 30	$39	$25