iHeartMedia Inc gained court approval for a plan that would cut about $10 billion of debt and allow it to emerge from bankruptcy within the first half of this year. The biggest U.S. radio broadcaster got confirmation in the U.S. Bankruptcy Court for the Southern District of Texas for a creditor-supported plan that reduces its debt to $5.75 billion from $16.1 billion and spins out Clear Channel Outdoor Holdings Inc. into a separate company