PFIZER INC | 2013 | FY | 3


The following table provides the amounts and classification of payments (income/(expense)), between us and our collaboration partners:
 
 
Year Ended December 31,
(MILLIONS OF DOLLARS)
 
2013

 
2012

 
2011

Revenues—Revenues(a)
 
$
1,153

 
$
1,640

 
$
1,426

Revenues—Alliance revenues(b)
 
2,628

 
3,492

 
3,630

Total revenues from collaborative arrangements
 
3,781

 
5,132

 
5,056

Cost of sales(c)
 
(333
)
 
(362
)
 
(420
)
Selling, informational and administrative expenses(d)
 
(279
)
 
(290
)
 
(237
)
Research and development expenses(e)
 
(73
)
 
(74
)
 
(299
)
Other (income)/deductions—net(f)
 
103

 
(15
)
 
34

(a) 
Represents sales to our partners of products manufactured by us.
(b) 
Substantially all relate to amounts earned from our partners under co-promotion agreements. The decline in 2013 reflects declines in Enbrel (as a result of the expiration of our co-promotion agreement on October 31, 2013 in the U.S. and Canada) and Spiriva (as a result of the near-term expiration of the co-promotion collaboration in the U.S. and certain European countries, combined with the expiration of the collaboration in Australia, Canada and certain other European countries).
(c) 
Primarily relates to royalties earned by our partners and cost of sales associated with inventory purchased from our partners.
(d) 
Represents net reimbursements to our partners for selling, informational and administrative expenses incurred.
(e) 
Primarily relates to net reimbursements, as well as upfront payments and pre-approval milestone payments earned by our partners. The upfront and milestone payments were as follows: $67 million in 2013, $44 million in 2012 and $210 million in 2011.
(f) 
In 2013, includes royalties earned on sales of Enbrel in the U.S. and Canada after October 31, 2013. On that date, our co-promotion agreement for Enbrel in the U.S. and Canada expired, and we became entitled to royalties for a 36-month period

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