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Goodwill and Other Intangibles
9 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangibles
Goodwill and Other Intangibles

There were no changes in the goodwill balance of $199 million during the first nine months of 2018. Included in other assets in AFG’s Balance Sheet is $31 million at September 30, 2018 and $26 million at December 31, 2017 in amortizable intangible assets related to property and casualty insurance acquisitions. These amounts are net of accumulated amortization of $37 million and $30 million, respectively. Amortization of intangibles was $3 million and $2 million in the third quarter of 2018 and 2017, respectively, and $7 million and $6 million in the first nine months of 2018 and 2017.