Quarterly data (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of quarterly revenues and earnings

A summary of revenues and earnings by quarter for each of the last two years is presented in the following table. This information is unaudited. Dollars are in millions, except per share amounts.

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2013
Revenues	$	43,867	$	44,693	$	46,541	$	47,049
Net earnings attributable to Berkshire shareholders *		4,892		4,541		5,053		4,990
Net earnings attributable to Berkshire shareholders per equivalent Class A common share		2,977		2,763		3,074		3,035
2012
Revenues	$	38,147	$	38,546	$	41,050	$	44,720
Net earnings attributable to Berkshire shareholders *		3,245		3,108		3,920		4,551
Net earnings attributable to Berkshire shareholders per equivalent Class A common share		1,966		1,882		2,373		2,757

* Includes realized investment gains/losses, other-than-temporary impairment losses on investments and derivative gains/losses. Derivative gains/losses include significant amounts related to non-cash changes in the fair value of long-term contracts arising from short-term changes in equity prices, interest rates and foreign currency rates, among other factors. After-tax investment and derivative gains/losses for the periods presented above are as follows (in millions):

	1st Quarter		2nd Quarter			3rd Quarter		4th Quarter
Investment and derivative gains/losses – 2013	$	1,110	$	622		$	1,391	$	1,214
Investment and derivative gains/losses – 2012		580		(612	)		521		1,738