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Changes reflect capital in excess of par.Beginning and ending total issued share balances include 14,168 shares associated with Chevron's Benefit Plan Trust.2017 include excise, value-added and similar taxes of $7,189, collected on behalf of third parties. Beginning in 2018, these taxes are netted in "Taxes other than on income" in accordance with Accounting Standards Update (ASU) 2014-09. 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