Do I Need Form 1116 to Claim the Foreign Tax Credit?

If the income was passive (which most 1099DIV and 1099INT is)  AND the amount of foreign tax is less than $300 ($600 MFJ) then you don't need Form 1116.

This credit is not available to trusts or estates.

REFERENCE:
http://www.irs.gov/instructions/i1116/ch01.html#d0e229