Additional Information

12 Months Ended

Dec. 31, 2016

Additional Information [Abstract]

Additional Information

Additional Information:

	For the Years Ended December 31,
(in millions)	2016			2015			2014
Research and development expense	$	429		$	423		$	433
Advertising expense	$	405		$	448		$	439
Foreign currency net transaction losses	$	272		$	102		$	174
Interest expense	$	1,069		$	1,132		$	1,170
Interest income	(178		)	(124		)	(118		)
Interest expense, net	$	891		$	1,008		$	1,052
Rent expense	$	284		$	286		$	336

Minimum rental commitments under non-cancelable operating leases in effect at December 31, 2016, were as follows:

(in millions)
2017	$	182
2018	119
2019	89
2020	62
2021	46
Thereafter	164
	$	662