Quarterly financial data

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Quarterly financial data (unaudited)

Quarterly financial data (unaudited)

	2012 Quarters ended
(In millions, except per share data)	December 31		September  30		June 30		March 31
Product sales	$	4,337	$	4,201	$	4,200	$	3,901
Gross profit from product sales	3,485		3,496		3,518		3,222
Net income	788		1,107		1,266		1,184
Earnings per share:
Basic	$	1.03	$	1.44	$	1.63	$	1.50
Diluted	$	1.01	$	1.41	$	1.61	$	1.48
	2011 Quarters ended
(In millions, except per share data)	December  31		September  30(1)		June 30		March 31
Product sales	$	3,907	$	3,877	$	3,893	$	3,618
Gross profit from product sales	3,251		3,272		3,291		3,054
Net income	934		454		1,170		1,125
Earnings per share:
Basic	$	1.09	$	0.50	$	1.26	$	1.21
Diluted	$	1.08	$	0.50	$	1.25	$	1.20

⁽¹⁾  We recorded a $780 million legal settlement charge ($705 million, net of tax) in connection with an agreement in principle to settle allegations related to our sales and marketing practices.