Selected quarterly financial results (unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Selected quarterly financial results (unaudited)

Selected quarterly financial results (unaudited)

	2012 Quarter 3
(Dollars in millions except per share data)	1st			2nd			3rd			4th
Sales and revenues	$	15,981		$	17,374		$	16,445		$	16,075
Less: Revenues	(693		)	(690		)	(706		)	(718		)
Sales	15,288			16,684			15,739			15,357
Cost of goods sold	11,237			12,280			11,639			11,899
Gross margin	4,051			4,404			4,100			3,458
Profit 1, 4	$	1,586		$	1,699		$	1,699		$	697
Profit per common share 4	$	2.44		$	2.60		$	2.60		$	1.07
Profit per common share–diluted 2, 4	$	2.37		$	2.54		$	2.54		$	1.04
	2011 Quarter 3
	1st			2nd			3rd			4th
Sales and revenues	$	12,949		$	14,230		$	15,716		$	17,243
Less: Revenues	(672		)	(695		)	(693		)	(686		)
Sales	12,277			13,535			15,023			16,557
Cost of goods sold	9,057			10,303			11,455			12,763
Gross margin	3,220			3,232			3,568			3,794
Profit 1	$	1,225		$	1,015		$	1,141		$	1,547
Profit per common share	$	1.91		$	1.57		$	1.76		$	2.39
Profit per common share–diluted 2	$	1.84		$	1.52		$	1.71		$	2.32

¹  Profit attributable to common stockholders.

²  Diluted by assumed exercise of stock-based compensation awards using the treasury stock method.

³  See Note 23 - Acquisitions and Note 25 - Divestitures and Assets held for sale for additional information.

⁴  The fourth quarter 2012 includes a goodwill impairment charge related to Siwei of $580 million.