The U.S. and EU imposed sanctions against Iranian oil and gas companies and strengthened restrictions on the country's central bank.

“Nearly 200,000 civilians fled into Turkey in a matter of weeks and the Turkish authorities responded immediately,” Amos said.

Sales of Apple's tablet slid more than 7% from the previous quarter to 12.3 million units, and were down 13% from the year-ago period.

A spokeswoman said de Margerie was in Moscow to attend a gathering of the Russian government’s foreign investment advisory council.