Note 10. Interest and Other Income, Net

The components of interest and other income, net were as follows (in millions):


	Year Ended December 31,
	2009			2010			2011
Interest income	$	230		$	579		$	812
Interest expense		0			(5	)		(58	)
Realized gains on available-for-sale investments, net		97			185			254
Impairment of equity investments		0			0			(110	)
Foreign currency exchange losses, net		(260	)		(355	)		(379	)
Other		2			11			65

Interest and other income, net	$	69		$	415		$	584