According to online reports, Morgan Stanley estimated on Thursday that the Federal Reserve's plan to relax leverage rules could release $185 billion in capital and unlock nearly $6 trillion in balance sheet capacity. The Federal Reserve on Wednesday unveiled a proposal to revise capital requirements for large global banks for relatively low-risk assets to boost participation in the U.S. Treasury market. The Federal Reserve voted 5 - 2 to approve the plan, which is the first deregulatory measure that may be introduced under the leadership of the Federal Reserve's new vice chairman for supervision, Bowman. The proposal would reform so-called "enhanced supplementary leverage ratios" to directly link the amount of capital banks must set aside to their role in the global financial system.