Notes payable and other borrowings (Tables)

12 Months Ended

Dec. 31, 2012

Principal payments disclosure

Principal repayments expected during each of the next five years are as follows (in millions).

	2013		2014		2015		2016		2017
Insurance and other	$	4,160	$	1,341	$	1,981	$	875	$	1,418
Railroad, utilities and energy		2,477		1,638		1,190		751		1,176
Finance and financial products		3,874		1,301		1,625		155		1,558
	$	10,511	$	4,280	$	4,796	$	1,781	$	4,152

Insurance and Other [Member]

Schedule of short and long term outstanding debt disclosure

Notes payable and other borrowings are summarized below (in millions). The weighted average interest rates and maturity date ranges shown in the following tables are based on borrowings as of December 31, 2012.

	Weighted Average Interest Rate			December 31,
				2012		2011
Insurance and other:
Issued by Berkshire due 2013-2047		2.3	%	$	8,323	$	8,287
Short-term subsidiary borrowings		0.4	%		1,416		1,490
Other subsidiary borrowings due 2013-2035		5.9	%		3,796		3,991
				$	13,535	$	13,768

Railroad, Utilities and Energy [Member]

Schedule of short and long term outstanding debt disclosure

	Weighted Average Interest Rate			December 31,
				2012		2011
Railroad, utilities and energy:
Issued by MidAmerican Energy Holdings Company (“MidAmerican”) and its subsidiaries:
MidAmerican senior unsecured debt due 2014-2037		6.3	%	$	4,621	$	5,363
Subsidiary and other debt due 2013-2042		4.9	%		17,002		14,552
Issued by BNSF due 2013-2097		5.5	%		14,533		12,665
				$	36,156	$	32,580

Finance and Financial Products [Member]

Schedule of short and long term outstanding debt disclosure

	Weighted Average Interest Rate			December 31,
				2012		2011
Finance and financial products:
Issued by Berkshire Hathaway Finance Corporation (“BHFC”) due 2013-2042		4.1	%	$	11,186	$	11,531
Issued by other subsidiaries due 2013-2036		5.0	%		1,859		2,505
				$	13,045	$	14,036