2017 Annual Report (PDF file)

2017 SEC Form 10-K (PDF file)

2017 Financial Statement XBRL files

•   brka-20171231.xml
•   brka-20171231.xsd
•   brka-20171231_cal.xml
•   brka-20171231_def.xml
•   brka-20171231_lab.xml
•   brka-20171231_pre.xml