Business segment data (Tables)

3 Months Ended

Mar. 31, 2012

Schedule of revenues and earnings by segment

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

	First Quarter
	2012		2011
Operating Businesses:
Insurance group:
Premiums earned:
GEICO	$	4,016	$	3,675
General Re		1,471		1,437
Berkshire Hathaway Reinsurance Group		2,071		1,944
Berkshire Hathaway Primary Group		507		426
Investment income		1,056		1,266
Total insurance group		9,121		8,748
BNSF		5,002		4,533
Finance and financial products		959		913
Marmon		1,793		1,674
McLane Company		8,073		7,767
MidAmerican		2,894		2,880
Other businesses *		9,296		7,208
		37,138		33,723
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		896		(136	)
Eliminations and other		113		133
	$	38,147	$	33,720

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

	First Quarter
	2012			2011
Operating Businesses:
Insurance group:
Underwriting gain (loss):
GEICO	$	124		$	337
General Re		81			(326	)
Berkshire Hathaway Reinsurance Group		(191	)		(1,343	)
Berkshire Hathaway Primary Group		71			56
Net investment income		1,052			1,261
Total insurance group		1,137			(15	)
BNSF		1,115			965
Finance and financial products		163			156
Marmon		269			222
McLane Company		102			82
MidAmerican		483			451
Other businesses *		1,069			675
		4,338			2,536
Reconciliation of segments to consolidated amount:
Investment and derivative gains/losses		896			(136	)
Interest expense, excluding interest allocated to operating businesses		(66	)		(51	)
Eliminations and other		(237	)		(115	)
	$	4,931		$	2,234

* Includes Lubrizol in 2012.