Paid clicks on Google's online ads jumped 31 percent year-on-year, but the average cost per click that marketers paid Google declined 11 percent.
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On Wednesday evening, Google said it is selling Motorola's smartphone business to Lenovo for $2.9 billion. The deal will rid Google of a financial headache that has plagued the Internet company since buying Motorola Mobility for $12.4 billion in 2012. Motorola has lost nearly $2 billion since Google took over, while trimming its workforce from 20,000 to 3,800.
The Motorola unit posted an operating loss of another $384 million in the fourth quarter.
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The company also said Thursday its board had approved the long-awaited issue of Class C shares, which is part of the company's plan to split its stock.
The split is scheduled to occur April 2. It had been delayed because some Google shareholders feared it would unfairly benefit co-founders Larry Page and Sergey Brin.
Owners of Class A stock will get an equal number of Class C shares. Initially, value of the current stock will be divided equally between the two types, but they will then trade separately.
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