First, it is the foreign earned income exclusion. Unearned income (interest, dividends, passive rental income) is not eligible for the exclusion.)
Your income is foreign earned income if you are living overseas when you performed the work for which you were paid, regardless of where the payer is located.
https://www.irs.gov/individuals/international-taxpayers/foreign-earned-income-exclusion
https://www.irs.gov/individuals/international-taxpayers/foreign-earned-income-exclusion-what-is-fore...
You also have to meet certain other requirements.
