Cash, Cash Equivalents, and Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following table categorizes the fair values of cash, cash equivalents, and marketable securities measured at fair value on a recurring basis on our balance sheet (in millions):



	Fair Value Level	December 31, 2016		June 30, 2017
Cash and cash equivalents
U.S. government	1	$	924	$	182
U.S. government agencies	2	—		100
Non-U.S. government and agencies	2	142		342
Corporate debt	2	—		75
Total marketable securities classified as cash equivalents		1,066		699
Cash, time deposits and money market funds		7,011		6,667
Total cash and cash equivalents		$	8,077	$	7,366

Marketable securities
U.S. government	1	$	1,634	$	977
U.S. government agencies	2	505		663
Non-U.S. government and agencies	2	632		790
Corporate debt	2	475		854
Other marketable securities	2	34		27
Total marketable securities		$	3,280	$	3,311