To 2 B or maybe not 2.5 B, according to this article the amount is 2B. Last quarter Intel spent approximately 1.5 B on advertising, general and administrative expenses. 500 million a quarter does not seem to be earth shaking to me, especially after the old ads are dropped.
“INTEL is to spend $2 billion (£1.16 billion) on a global advertising campaign in 2006 which will see the technology group dump one of the world’s most famous logos.”