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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-13-087679
Filing Date
2013-03-01
Accepted
2013-03-01 16:10:21
Documents
15
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 10-K d484968d10k.htm 10-K 2393594
2 EX-12 d484968dex12.htm EX-12 31220
3 EX-21 d484968dex21.htm EX-21 72416
4 EX-23 d484968dex23.htm EX-23 1962
5 EX-31.1 d484968dex311.htm EX-31.1 9485
6 EX-31.2 d484968dex312.htm EX-31.2 9494
7 EX-32.1 d484968dex321.htm EX-32.1 3191
8 EX-32.2 d484968dex322.htm EX-32.2 3211
9 EX-95 d484968dex95.htm EX-95 100532
  Complete submission text file 0001193125-13-087679.txt   18486404

Data Files

Seq Description Document Type Size
10 XBRL INSTANCE DOCUMENT brka-20121231.xml EX-101.INS 3463205
11 XBRL TAXONOMY EXTENSION SCHEMA brka-20121231.xsd EX-101.SCH 149369
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE brka-20121231_cal.xml EX-101.CAL 135537
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE brka-20121231_def.xml EX-101.DEF 795126
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE brka-20121231_lab.xml EX-101.LAB 1024862
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE brka-20121231_pre.xml EX-101.PRE 929529
Mailing Address 3555 FARNAM STREET OMAHA NE 68131
Business Address 3555 FARNAM STREET OMAHA NE 68131 4023461400
BERKSHIRE HATHAWAY INC (Filer) CIK: 0001067983 (see all company filings)

IRS No.: 470813844 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14905 | Film No.: 13657713
SIC: 6331 Fire, Marine & Casualty Insurance
Office of Finance