Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue Disclosure [Abstract]

Revenue from External Customers by Geographic Areas

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

	Three Months Ended September 30		Nine Months Ended September 30
($ in millions)	2022	2021	2022	2021
Performance Coatings
United States and Canada	$1,268	$1,177	$3,660	$3,374
Europe, Middle East and Africa ("EMEA")	841	965	2,784	2,746
Asia Pacific	281	325	842	913
Latin America	315	291	918	793
Total	$2,705	$2,758	$8,204	$7,826
Industrial Coatings
United States and Canada	$686	$579	$2,024	$1,714
EMEA	445	453	1,452	1,380
Asia Pacific	453	433	1,278	1,257
Latin America	179	149	509	435
Total	$1,763	$1,614	$5,263	$4,786
Total Net Sales
United States and Canada	$1,954	$1,756	$5,684	$5,088
EMEA	1,286	1,418	4,236	4,126
Asia Pacific	734	758	2,120	2,170
Latin America	494	440	1,427	1,228
Total PPG	$4,468	$4,372	$13,467	$12,612

Accounts Receivable, Allowance for Credit Loss

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

	Trade Receivables Allowance for Doubtful Accounts
($ in millions)	2022	2021
January 1	$31	$44
Bad debt expense	46	4
Recoveries of previously reserved trade receivables	(46)	—
Other	4	(12)
September 30	$35	$36