unearned income

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun taxation Income that is not a wage, such as interest, dividends or realized capital gains from investments, rent from land or property ownership, and any other income that does not derive from work.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun personal income that you did not earn (e.g., dividends or interest or rent income)
• noun (accounting) income received but not yet earned (usually considered a current liability on a company's balance sheet)