Executives at French oil major Total have been detained for questioning as part of an investigation into transfers of millions of dollars in suspected bribes to win oil development rights in Russia and Iraq. A spokeswoman for Total, the world's fourth-largest publicly traded oil company by market value, confirmed by telephone from Paris on Monday that French investigators had raided the company's headquarters and questioned several employees last week. But she said the probe targeted the activities of officials and not the company itself, and declined to comment further. A spokeswoman for the French Justice Ministry refused to comment Monday....