Cash and Cash Equivalents, and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2016

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,
	2016		2015
Cash and cash equivalents:
Cash	$	1,364	$	1,703
Money market funds	5,409		2,409
U.S. government securities	1,463		597
U.S. government agency securities	667		145
Corporate debt securities	—		53
Total cash and cash equivalents	8,903		4,907
Marketable securities:
U.S. government securities	7,130		5,948
U.S. government agency securities	7,411		4,475
Corporate debt securities	6,005		3,104
Total marketable securities	20,546		13,527
Total cash and cash equivalents, and marketable securities	$	29,449	$	18,434

Marketable Securities by Contractual Maturities

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

	December 31,
	2016		2015
Due in one year	$	4,966	$	5,029
Due in one to five years	15,580		8,498
Total	$	20,546	$	13,527