Notes to Consolidated Financial Statements

(Continued)

Note 16.
Additional Information:

(in millions) For the years ended December 31,			2003			2002		2001
	Research and development expense		$    762			$   686		$   647
	Advertising expense		$1,657			$1,869		$2,196
	Interest and other debt
	expense, net:
	Interest expense		$1,367			$1,327		$1,659
	Interest income		(217)			(193)		(241)
			$1,150			$1,134		$1,418
	Interest expense of financial
	services operations
	included in cost of sales		$    108			$     97		$    99
	Rent expense		$    767			$   741		$  650

Minimum rental commitments under non-cancelable operating leases in effect at December 31, 2003, were as follows:

(in millions)
2004	$  552
2005	399
2006	277
2007	208
2008	157
Thereafter	450
$2,043