Analysts on average had estimated $22.02 billion, according to Thomson Reuters I/B/E/S. The strong dollar shaved off $7 billion from IBM’s 2015 revenue and reduced its profit by $300 million in the fourth quarter, Chief Financial Officer Martin Schroeter said in a conference call with journalists. The dollar index, which rose over 9 percent last year, is expected to rise 3.4 percent this year.