Notes payable and other borrowings (Tables)

6 Months Ended

Jun. 30, 2015

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 June 30, 2015.

	Weighted Average  Interest Rate	June 30,   2015		December 31, 2014
Insurance and other:
Issued by Berkshire due 2015-2047	2.2%	$	9,896	$	8,354
Short-term subsidiary borrowings	1.8%		2,102		839
Other subsidiary borrowings due 2015-2044	6.0%		2,748		2,701
		$	14,746	$	11,894

Railroad, Utilities and Energy [Member]

Schedule of short and long term outstanding debt disclosure

	Weighted Average  Interest Rate	June 30,   2015		December 31,   2014
Railroad, utilities and energy:
Issued by Berkshire Hathaway Energy Company (“BHE”) and its subsidiaries:
BHE senior unsecured debt due 2017-2045	5.1%	$	7,860	$	7,860
Subsidiary and other debt due 2015-2064	4.9%		28,493		28,439
Issued by BNSF due 2015-2097	4.9%		20,916		19,280
		$	57,269	$	55,579

Finance and Financial Products [Member]

Schedule of short and long term outstanding debt disclosure

	Weighted Average  Interest Rate	June 30, 2015		December 31, 2014
Finance and financial products:
Issued by Berkshire Hathaway Finance Corporation (“BHFC”) due 2015-2043	2.7%	$	11,178	$	11,178
Issued by other subsidiaries due 2015-2036	5.3%		1,385		1,558
		$	12,563	$	12,736