Cash and Cash Equivalents, and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2015

Cash and Cash Equivalents, and Marketable Securities [Abstract]

Cash, Cash Equivalents and Marketable Securities

The following table sets forth the cash and cash equivalents, and marketable securities (in millions):

	December 31,
	2015		2014
Cash and cash equivalents:
Cash	$	1,703	$	2,162
Money market funds	2,409		2,153
U.S. government securities	597		—
U.S. government agency securities	145		—
Corporate debt securities	53		—
Total cash and cash equivalents	4,907		4,315
Marketable securities:
U.S. government securities	5,948		2,830
U.S. government agency securities	4,475		2,710
Corporate debt securities	3,104		1,344
Total marketable securities	13,527		6,884
Total cash and cash equivalents, and marketable securities	$	18,434	$	11,199

Marketable Securities by Contractual Maturities

The following table classifies our marketable securities by contractual maturities (in millions):

	December 31,
	2015		2014
Due in one year	$	5,029	$	3,422
Due in one to two years	8,498		3,462
Total	$	13,527	$	6,884