This recipe will automatically logs all of your calls in Google drive spreadsheet. You need to activate Google drive channel.
If
Any outgoing phone call ends
This Trigger fires every time you place a phone call on your Android device.
Then
Add row to spreadsheet
This action will add a single row to the bottom of the first worksheet of a spreadsheet you specify. Note: a new spreadsheet is created after 2000 rows.
Discover more time saving integrations for Android Phone Call and Google Sheets