Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2014

Cash and Cash Equivalents

Cash and Cash Equivalents

3. Cash and Cash Equivalents

The following table summarizes the components of our cash and cash equivalents with original maturities of three months or less at the date of purchase (amounts in millions):

	At December 31,
	2014		2013
Cash	$	333	$	377
Foreign government treasury bills		40		33
Money market funds		4,475		4,000
Cash and cash equivalents	$	4,848	$	4,410