Long-term debt (Tables)

6 Months Ended

Jun. 30, 2011

Long-term Debt, Unclassified [Abstract]

Schedule of Long-term Debt Instruments

Following is a summary of the long-term debt outstanding as of June 30, 2011:

$1.0 billion floating-rate notes due 2013 (swapped to a 0.922% fixed rate)	$	1,000
$500 million 0.875% notes due 2013	500
$1.0 billion 1.375% notes due 2014	1,000
$1.0 billion 2.375% notes due 2016	1,000
Less unamortized discount	(2		)
Total long-term debt	$	3,498