Yes, the e-filing includes all forms and schedules but not worksheets and other informational sheets. Form 8949 is e-filed. The IRS does want the details of the transactions. When you use the summary method of reporting your investment sales, you may have to include your 1099-B. Here is a TurboTax answer that may provide you with additional information:
https://ttlc.intuit.com/replies/6140520
