Officials at Lehman Brothers are hoping to finalize plans to raise capital and sell off bad debts sometime this week, though the exact nature of the effort is still in flux, people close to the company tell CNBC.

As reported Lehman Brothers , facing billions of dollars in additional losses and writedowns from bad debts on its books, has been in negotiations to sell pieces of itself to foreign banks, sovereign wealth funds, and private equity firms. Meanwhile, the company has been cobbling together a bold plan to remove tens of billions of dollars in bad debt, composed of subprime loans and commercial real-estate investments, by spinning off the soured investments currently on its books into a separate company.