{"transactions":[{"id":166833,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-09-22","kind":"gift","acquired":false,"shares":33,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"These shares of Class A Common Stock were beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust. Upon termination of the trust, 134 shares were transferred to Mr. Murphy's children and 148 shares were transferred to Mr. Murphy and are reported as directly owned."}],"balance_after":0,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":166832,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-09-22","kind":"gift","acquired":false,"shares":33,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"These shares of Class A Common Stock were beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust. Upon termination of the trust, 134 shares were transferred to Mr. Murphy's children and 148 shares were transferred to Mr. Murphy and are reported as directly owned."}],"balance_after":33,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":166831,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-09-22","kind":"gift","acquired":false,"shares":34,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"These shares of Class A Common Stock were beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust. Upon termination of the trust, 134 shares were transferred to Mr. Murphy's children and 148 shares were transferred to Mr. Murphy and are reported as directly owned."}],"balance_after":66,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":166830,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-09-22","kind":"gift","acquired":false,"shares":34,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"These shares of Class A Common Stock were beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust. Upon termination of the trust, 134 shares were transferred to Mr. Murphy's children and 148 shares were transferred to Mr. Murphy and are reported as directly owned."}],"balance_after":100,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":166829,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-04-15","kind":"purchase","acquired":true,"shares":250,"price":123.85,"value":30962.5,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Marital Trust No. 1 (Subtrust No. 2) is the direct beneficial owner of these securities. Mr. Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2990,"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":166828,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2015-02-13T13:33:19.000Z","date":"2014-04-15","kind":"purchase","acquired":true,"shares":250,"price":123.85,"value":30962.5,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The Marital Trust No. 1 (Subtrust No. 1) is the direct beneficial owner of these securities. Mr. Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2995,"source":{"system":"sec-edgar","filing":"0001140361-15-006139","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036115006139/doc1.xml","form_type":"5"}},{"id":176712,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2014-02-07T18:44:04.000Z","date":"2013-10-10","kind":"gift","acquired":true,"shares":77,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares of Class A Common Stock are beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust."}],"balance_after":829,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-14-005274","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036114005274/doc1.xml","form_type":"5"}},{"id":176711,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2014-02-07T18:44:04.000Z","date":"2013-10-10","kind":"gift","acquired":true,"shares":77,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares of Class A Common Stock are beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust."}],"balance_after":906,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-14-005274","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036114005274/doc1.xml","form_type":"5"}},{"id":176710,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2014-02-07T18:44:04.000Z","date":"2013-10-10","kind":"gift","acquired":true,"shares":77,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares of Class A Common Stock are beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust."}],"balance_after":983,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-14-005274","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036114005274/doc1.xml","form_type":"5"}},{"id":176709,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2014-02-07T18:44:04.000Z","date":"2013-10-09","kind":"gift","acquired":true,"shares":76,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Mr. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares of Class A Common Stock are beneficially owned indirectly by Mr. Murphy through a grantor retained annuity trust."}],"balance_after":1060,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-14-005274","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036114005274/doc1.xml","form_type":"5"}},{"id":187008,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-11-03","kind":"other","acquired":true,"shares":67,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Pursuant to Rule 16a-2(d) under the Act, on November 3, 2010, the date following the expiration of 12 months following his appointment and qualification as executor of his late wife's estate, Mr. Murphy may be deemed to have acquired beneficial ownership of shares beneficially owned by the estate to the extent of his pecuniary interest in such shares.  Amounts reflect the 67 shares of Class A Common Stock and 788 shares of Class B Common Stock beneficially owned by the estate on November 3, 2010.  Such shares subsequently were distributed from the estate to Marital Trust No. 2, a trust of which Mr. Murphy is trustee and the beneficiary.  As of December 31, 2012, Marital Trust No. 2 beneficially owned 67 shares of Class A Common Stock and, after giving effect to the subsequent transactions in respect of Class B Common Stock by the trust disclosed in this Form 5, 20,983 shares of Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Pursuant to Rule 16a-2(d) under the Act, on November 3, 2010, the date following the expiration of 12 months following his appointment and qualification as executor of his late wife's estate, Mr. Murphy may be deemed to have acquired beneficial ownership of shares beneficially owned by the estate to the extent of his pecuniary interest in such shares.  Amounts reflect the 67 shares of Class A Common Stock and 788 shares of Class B Common Stock beneficially owned by the estate on November 3, 2010.  Such shares subsequently were distributed from the estate to Marital Trust No. 2, a trust of which Mr. Murphy is trustee and the beneficiary.  As of December 31, 2012, Marital Trust No. 2 beneficially owned 67 shares of Class A Common Stock and, after giving effect to the subsequent transactions in respect of Class B Common Stock by the trust disclosed in this Form 5, 20,983 shares of Class B Common Stock."}],"balance_after":67,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":37,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187007,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-02-10","kind":"exercise","acquired":false,"shares":1,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":1136,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":36,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187006,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2008-01-09","kind":"sale","acquired":false,"shares":1,"price":130149.29,"value":130149.29,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On September 25, 2009 Mr. Murphy's wife died.  The 173 shares of Class A Common Stock and 210 shares of Class B Common Stock beneficially owned by her at the time of her death were subsequently disposed of by her estate in transactions exempt from Section 16 of the Act pursuant to Rule 16(a)(2)(d)."}],"balance_after":173,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":35,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187005,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2008-01-09","kind":"sale","acquired":false,"shares":12,"price":129988.01,"value":1559856.12,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":174,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":34,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187004,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2008-01-08","kind":"sale","acquired":false,"shares":1,"price":133793.83,"value":133793.83,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":186,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":33,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187003,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2007-01-11","kind":"sale","acquired":false,"shares":7,"price":110022.99,"value":770160.93,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":187,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":32,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187002,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2007-01-03","kind":"sale","acquired":false,"shares":3,"price":110408.83,"value":331226.49,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":194,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":31,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187001,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-09-19","kind":"gift","acquired":false,"shares":3,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each of these reported transactions was a gift from Mr. Murphy's wife to a charitable organization."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":197,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":30,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":187000,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-08-28","kind":"sale","acquired":false,"shares":2,"price":96172.76,"value":192345.52,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":200,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":29,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186999,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-07-26","kind":"sale","acquired":false,"shares":5,"price":90840.15,"value":454200.75,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":202,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186998,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-07-20","kind":"sale","acquired":false,"shares":8,"price":90270.26,"value":722162.08,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":207,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186997,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-07-20","kind":"sale","acquired":false,"shares":2,"price":92538.36,"value":185076.72,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":215,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186996,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2006-06-21","kind":"sale","acquired":false,"shares":3,"price":92187.17,"value":276561.51,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":217,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":25,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186995,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2004-12-03","kind":"exercise","acquired":false,"shares":10,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Not applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F9","text":"Prior to January 21, 2010, each share of Class A Common Stock was convertible at any time at the option of the holder into 30 shares of Class B Common Stock.  As of January 21, 2010, as a result of a 50-for-1 stock split that became effective on such date, each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock.  In accordance with the instructions to Form 5, Thomas S. Murphy's holdings of, and transactions in, shares of Class A Common Stock are reported in Table II."}],"balance_after":220,"derivative":{"underlying":"See footnote"},"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":24,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186994,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2011-01-13","kind":"purchase","acquired":true,"shares":1000,"price":79.55,"value":79550.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Marital Trust No. 2 is the direct beneficial owner of these securities."}],"balance_after":20983,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186993,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2011-01-10","kind":"purchase","acquired":true,"shares":450,"price":79.55,"value":35797.5,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"The Marital Trust No. 1 (Subtrust No. 2) is the direct beneficial owner of these securities.  Mr.  Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2740,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186992,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2011-01-10","kind":"purchase","acquired":true,"shares":450,"price":79.55,"value":35797.5,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Marital Trust No. 1 (Subtrust No. 1) is the direct beneficial owner of these securities.  Mr.  Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2745,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186991,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-11-03","kind":"other","acquired":true,"shares":788,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Pursuant to Rule 16a-2(d) under the Act, on November 3, 2010, the date following the expiration of 12 months following his appointment and qualification as executor of his late wife's estate, Mr. Murphy may be deemed to have acquired beneficial ownership of shares beneficially owned by the estate to the extent of his pecuniary interest in such shares.  Amounts reflect the 67 shares of Class A Common Stock and 788 shares of Class B Common Stock beneficially owned by the estate on November 3, 2010.  Such shares subsequently were distributed from the estate to Marital Trust No. 2, a trust of which Mr. Murphy is trustee and the beneficiary.  As of December 31, 2012, Marital Trust No. 2 beneficially owned 67 shares of Class A Common Stock and, after giving effect to the subsequent transactions in respect of Class B Common Stock by the trust disclosed in this Form 5, 20,983 shares of Class B Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Pursuant to Rule 16a-2(d) under the Act, on November 3, 2010, the date following the expiration of 12 months following his appointment and qualification as executor of his late wife's estate, Mr. Murphy may be deemed to have acquired beneficial ownership of shares beneficially owned by the estate to the extent of his pecuniary interest in such shares.  Amounts reflect the 67 shares of Class A Common Stock and 788 shares of Class B Common Stock beneficially owned by the estate on November 3, 2010.  Such shares subsequently were distributed from the estate to Marital Trust No. 2, a trust of which Mr. Murphy is trustee and the beneficiary.  As of December 31, 2012, Marital Trust No. 2 beneficially owned 67 shares of Class A Common Stock and, after giving effect to the subsequent transactions in respect of Class B Common Stock by the trust disclosed in this Form 5, 20,983 shares of Class B Common Stock."}],"balance_after":788,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186990,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-08-30","kind":"purchase","acquired":true,"shares":19195,"price":76.48,"value":1468033.6,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Marital Trust No. 2 is the direct beneficial owner of these securities."}],"balance_after":19983,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186989,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-08-25","kind":"purchase","acquired":true,"shares":2290,"price":76.49,"value":175162.1,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"The Marital Trust No. 1 (Subtrust No. 2) is the direct beneficial owner of these securities.  Mr.  Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2290,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186988,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-08-25","kind":"purchase","acquired":true,"shares":2295,"price":76.49,"value":175544.55,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Marital Trust No. 1 (Subtrust No. 1) is the direct beneficial owner of these securities.  Mr.  Murphy is a trustee and the beneficiary of the trust."}],"balance_after":2295,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186987,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-06-25","kind":"sale","acquired":false,"shares":778,"price":81.88,"value":63702.64,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."}],"balance_after":1489,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186986,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-06-23","kind":"sale","acquired":false,"shares":333,"price":79.4,"value":26440.2,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."}],"balance_after":2267,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186985,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2010-02-10","kind":"exercise","acquired":true,"shares":1500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Class B share amounts are after giving effect to the 50-for-1 Class B stock split that became effective on January 21, 2010."}],"balance_after":2600,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186984,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common Stock","published_at":"2013-02-14T22:29:05.000Z","date":"2009-05-22","kind":"gift","acquired":false,"shares":8,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By wife"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each of these reported transactions was a gift from Mr. Murphy's wife to a charitable organization."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"On September 25, 2009 Mr. Murphy's wife died.  The 173 shares of Class A Common Stock and 210 shares of Class B Common Stock beneficially owned by her at the time of her death were subsequently disposed of by her estate in transactions exempt from Section 16 of the Act pursuant to Rule 16(a)(2)(d)."}],"balance_after":210,"source":{"system":"sec-edgar","filing":"0001140361-13-007511","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1067983/000114036113007511/doc1.xml","form_type":"5"}},{"id":186983,"issuer":{"id":2792,"kind":"organization","name":"BERKSHIRE HATHAWAY INC","symbol":"BRK.A"},"owners":[{"id":12513,"kind":"person","name":"MURPHY THOMAS S","position":1,"cik":"0001205858","reported_name":"MURPHY THOMAS S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class B Common 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