Business segment data (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of revenues and earnings by segment

Revenues by segment for the second quarter and first six months of 2012 and 2011 were as follows (in millions).

	Second Quarter					First Six Months
	2012			2011		2012			2011
Operating Businesses:
Insurance group:
Premiums earned:
GEICO	$	4,132		$	3,818	$	8,148		$	7,493
General Re		1,426			1,444		2,897			2,881
Berkshire Hathaway Reinsurance Group		2,334			3,268		4,405			5,212
Berkshire Hathaway Primary Group		536			419		1,043			845
Investment income		1,399			1,410		2,455			2,676
Total insurance group		9,827			10,359		18,948			19,107
BNSF		5,062			4,790		10,064			9,323
Finance and financial products		1,016			991		1,975			1,904
Marmon		1,863			1,781		3,656			3,455
McLane Company		9,004			8,444		17,077			16,211
MidAmerican		2,748			2,678		5,642			5,558
Other businesses *		9,888			8,009		19,184			15,217
		39,408			37,052		76,546			70,775
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		(943	)		1,105		(47	)		969
Eliminations and other		81			117		194			250
	$	38,546		$	38,274	$	76,693		$	71,994

Earnings before income taxes by segment for the second quarter and first six months of 2012 and 2011 were as follows (in millions).

	Second Quarter						First Six Months
	2012			2011			2012			2011
Operating Businesses:
Insurance group:
Underwriting gain (loss):
GEICO	$	155		$	159		$	279		$	496
General Re		138			132			219			(194	)
Berkshire Hathaway Reinsurance Group		613			(354	)		422			(1,697	)
Berkshire Hathaway Primary Group		51			54			122			110
Net investment income		1,393			1,404			2,445			2,665
Total insurance group		2,350			1,395			3,487			1,380
BNSF		1,280			1,070			2,395			2,035
Finance and financial products		189			177			352			333
Marmon		307			273			576			495
McLane Company		73			105			175			187
MidAmerican		324			320			807			771
Other businesses *		1,330			976			2,399			1,651
		5,853			4,316			10,191			6,852
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		(943	)		1,105			(47	)		969
Interest expense, excluding interest allocated to operating businesses		(78	)		(50	)		(144	)		(101	)
Eliminations and other		(217	)		(106	)		(454	)		(221	)
	$	4,615		$	5,265		$	9,546		$	7,499

* Includes Lubrizol in 2012.