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Investments
 12 Months Ended
Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]  
Investments Investments
($ in millions)20222021
Investments in equity affiliates$134 $126 
Marketable equity securities (See Note 11)
61 98 
Other49 50 
Total$244 $274 
Investments in equity affiliates represent PPG’s ownership interests in entities between 20% and 50% that manufacture and sell coatings and certain chemicals.
PPG’s share of undistributed net earnings of equity affiliates was $25 million, $15 million and $8 million in 2022, 2021 and 2020, respectively. Dividends received from equity affiliates were $17 million, $9 million and $18 million in 2022, 2021 and 2020, respectively.