E*TRADE Refuses to transfer funds 8billion dollars cash commissions owed since 2004

I had an E*TRADE Capital Market and we Etrade Clearing accounts I didn't like the services the provider was giving and ask to transfer out all my accounts. I was sent a letter that stated until all maturity and interest are paid back too the brokerage they half before any transfer are to be made they was 2004 and still refuse to settle my transfer instead they closed the E*TRADE capital market and when I mentioned my accounts were told they didn't exist Eight billion they owe since 2004