KKR Financial Holdings LLC is a holding company. The Company is a specialty finance company that operates in a range of asset classes. The Company's operating segments include Credit, Natural resources and Other. The Credit segment includes primarily below investment grade corporate debt, which consists of senior secured and unsecured loans, mezzanine loans, high yield bonds, private and public equity investments, and distressed and stressed debt securities. The Natural Resources segment consists of non-operated working and overriding royalty interests in oil and natural gas properties, as well as interests in joint ventures and partnerships focused on the oil and gas sector. The Other segment includes other portfolio holdings, including commercial real estate. The Company's holdings primarily consist of below investment grade syndicated corporate loans, high yield debt securities, interests in joint ventures and partnerships, and royalty interests in oil and gas properties.