Quarterly Results (unaudited)

12 Months Ended

Dec. 31, 2011

21. Quarterly Results (unaudited)

($ in millions, except per share data)	First Quarter				Second Quarter					Third Quarter				Fourth Quarter

	2011		2010		2011			2010		2011		2010		2011		2010
Revenues	$	8,095	$	7,749	$	8,081		$	7,656	$	8,242	$	7,908	$	8,236	$	8,087
Net income (loss)		524		120		(624	)		137		175		361		712		293
Net income (loss) earnings per share – Basic		0.99		0.22		(1.19	)		0.25		0.34		0.67		1.41		0.54
Net income (loss) earnings per share – Diluted		0.98		0.22		(1.19	)		0.25		0.34		0.67		1.40		0.54

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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