Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 55,455		$ 48,186
Investments in fixed maturity securities	29,421		29,353
Investments in equity securities	119,192	[1]	117,505	[2]
Inventories	10,199		9,860
Goodwill	58,792		57,011
Total assets	504,379		484,931
LIABILITIES
Income taxes, principally deferred	60,601		57,739
Total liabilities	267,619		260,446
SHAREHOLDERS' EQUITY
Common stock	8		8
Capital in excess of par value	35,491		35,472
Accumulated other comprehensive income	45,421		44,025
Retained earnings	154,848		143,748
Treasury stock, at cost	(1,763)		(1,363)
Berkshire Hathaway shareholders' equity	234,005		221,890
Noncontrolling interests	2,755		2,595
Total shareholders' equity	236,760		224,485
Total liabilities and shareholders' equity	504,379		484,931
Insurance and Other [Member]
ASSETS
Cash and cash equivalents	49,182		42,433
Investments in fixed maturity securities	29,175		28,785
Investments in equity securities	116,944		115,464
Other investments	12,197		12,334
Investments in H.J. Heinz Holding Corporation	12,016		12,111
Receivables	22,997		20,280
Inventories	10,199		9,860
Property, plant and equipment	13,999		13,623
Goodwill	34,616		33,067
Other	20,635		19,113
Total assets	321,960		307,070
LIABILITIES
Losses and loss adjustment expenses	65,614		64,866
Unearned premiums	12,393		10,770
Life, annuity and health insurance benefits	12,331		11,681
Accounts payable, accruals and other liabilities	21,368		21,979
Notes payable and other borrowings	12,410		12,440
Total liabilities	124,116		121,736
Railroad, Utilities and Energy [Member]
ASSETS
Cash and cash equivalents	3,410		3,400
Property, plant and equipment	105,670		102,482
Goodwill	22,834		22,603
Other	16,942		16,149
Total assets	148,856		144,634
LIABILITIES
Accounts payable, accruals and other liabilities	14,941		14,557
Notes payable and other borrowings	48,840		46,655
Total liabilities	63,781		61,212
Finance and Financial Products [Member]
ASSETS
Cash and cash equivalents	2,863		2,353
Investments in fixed maturity securities	246		568
Investments in equity and fixed maturity securities	1,201		1,506
Investments in equity securities	955		938
Other investments	5,723		5,617
Loans and finance receivables	12,517		12,826
Property, plant and equipment and assets held for lease	7,966		7,700
Goodwill	1,342		1,341
Other	1,951		1,884
Total assets	33,563		33,227
LIABILITIES
Accounts payable, accruals and other liabilities	1,359		1,299
Derivative contract liabilities	4,925		5,331
Notes payable and other borrowings	12,837		13,129
Total liabilities	$ 19,121		$ 19,759

[1] As of June 30, 2014, approximately 58% of the aggregate fair value was concentrated in the equity securities of four companies (American Express Company - $14.4 billion; Wells Fargo & Company - $25.4 billion; International Business Machines Corporation - $12.7 billion; and The Coca-Cola Company - $16.9 billion).

[2] As of December 31, 2013, approximately 55% of the aggregate fair value was concentrated in the equity securities of four companies (American Express Company - $13.8 billion; Wells Fargo & Company - $21.9 billion; International Business Machines Corporation - $12.8 billion; and The Coca-Cola Company - $16.5 billion).