

($ in millions)	2018		2017
Investments in equity affiliates		$132		$135
Marketable equity securities (See Note 10)	69		79
Other	50		54
Total		$251		$268

Investments in equity affiliates represent PPG’s ownership interests in entities between 20% and 50% that manufacture and sell coatings and certain chemicals. In 2017, PPG purchased a 40% ownership interest in TCI. Refer to Note 3, “Acquisitions and Divestitures” for additional information.

PPG’s share of undistributed net earnings of equity affiliates was $11 million and $12 million as of December 31, 2018 and December 31, 2017, respectively. Dividends received from equity affiliates were $15 million, $8 million and $7 million in 2018, 2017 and 2016, respectively.