Retrieves comprehensive information about a specific transaction including current status with timestamp (created, processing, completed, failed, cancelled), source and destination details, original amount and currency, converted amount if applicable, all applied fees with breakdown, exchange rates used, payment method/rail, blockchain transaction hash if crypto, expected and actual settlement times, error messages and codes if failed, and full audit trail of status changes. Use this for transaction tracking, customer support, accounting reconciliation, or displaying transaction history.