v2.4.0.6
Segment, Geographic and Other Revenue Information - Revenues By Products (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Revenue from External Customer [Line Items]      
Revenues $ 67,425 [1] $ 67,057 [1] $ 49,269 [1]
Biopharmaceutical [Member]
      
Revenue from External Customer [Line Items]      
Revenues 57,747 [1] 58,523 [1] 45,448 [1]
Biopharmaceutical [Member] | Lipitor [Member]
      
Revenue from External Customer [Line Items]      
Revenues 9,577 [2] 10,733 [2] 11,434 [2]
Biopharmaceutical [Member] | Lyrica [Member]
      
Revenue from External Customer [Line Items]      
Revenues 3,693 3,063 2,840
Biopharmaceutical [Member] | Prevnar 13/ Prevenar 13 [Member]
      
Revenue from External Customer [Line Items]      
Revenues 3,657 [3] 2,416 [3]  
Biopharmaceutical [Member] | Enbrel (Outside the U.S. and Canada) [Member]
      
Revenue from External Customer [Line Items]      
Revenues 3,666 [3] 3,274 [3] 378 [3]
Biopharmaceutical [Member] | Celebrex [Member]
      
Revenue from External Customer [Line Items]      
Revenues 2,523 2,374 2,383
Biopharmaceutical [Member] | Viagra [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,981 1,928 1,892
Biopharmaceutical [Member] | Norvasc [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,445 1,506 1,973
Biopharmaceutical [Member] | Zyvox [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,283 1,176 1,141
Biopharmaceutical [Member] | Xalatan / Xalacom [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,250 1,749 1,737
Biopharmaceutical [Member] | Sutent [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,187 1,066 964
Biopharmaceutical [Member] | Geodon / Zeldox [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,022 1,027 1,002
Biopharmaceutical [Member] | Premarin family [Member]
      
Revenue from External Customer [Line Items]      
Revenues 1,013 [3] 1,040 [3] 213 [3]
Biopharmaceutical [Member] | Genotropin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 889 885 887
Biopharmaceutical [Member] | Detrol / Detrol LA [Member]
      
Revenue from External Customer [Line Items]      
Revenues 883 1,013 1,154
Biopharmaceutical [Member] | Vfend [Member]
      
Revenue from External Customer [Line Items]      
Revenues 747 825 798
Biopharmaceutical [Member] | Chantix / Champix [Member]
      
Revenue from External Customer [Line Items]      
Revenues 720 755 700
Biopharmaceutical [Member] | BeneFIX [Member]
      
Revenue from External Customer [Line Items]      
Revenues 693 [3] 643 [3] 98 [3]
Biopharmaceutical [Member] | Effexor [Member]
      
Revenue from External Customer [Line Items]      
Revenues 678 [3] 1,718 [3] 520 [3]
Biopharmaceutical [Member] | Zosyn / Tazocin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 636 [3] 952 [3] 184 [3]
Biopharmaceutical [Member] | Pristiq [Member]
      
Revenue from External Customer [Line Items]      
Revenues 577 [3] 466 [3] 82 [3]
Biopharmaceutical [Member] | Zoloft [Member]
      
Revenue from External Customer [Line Items]      
Revenues 573 532 516
Biopharmaceutical [Member] | Caduet [Member]
      
Revenue from External Customer [Line Items]      
Revenues 538 527 548
Biopharmaceutical [Member] | Revatio [Member]
      
Revenue from External Customer [Line Items]      
Revenues 535 481 450
Biopharmaceutical [Member] | Medrol [Member]
      
Revenue from External Customer [Line Items]      
Revenues 510 455 457
Biopharmaceutical [Member] | ReFacto AF/ Xyntha [Member]
      
Revenue from External Customer [Line Items]      
Revenues 506 [3] 404 [3] 47 [3]
Biopharmaceutical [Member] | Prevnar / Prevenar (7-valent) [Member]
      
Revenue from External Customer [Line Items]      
Revenues 488 [3] 1,253 [3] 287 [3]
Biopharmaceutical [Member] | Zithromax / Zmax [Member]
      
Revenue from External Customer [Line Items]      
Revenues 453 415 430
Biopharmaceutical [Member] | Aricept [Member]
      
Revenue from External Customer [Line Items]      
Revenues 450 [4] 454 [4] 435 [4]
Biopharmaceutical [Member] | Fragmin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 382 341 359
Biopharmaceutical [Member] | Cardura [Member]
      
Revenue from External Customer [Line Items]      
Revenues 380 413 457
Biopharmaceutical [Member] | Rapamune [Member]
      
Revenue from External Customer [Line Items]      
Revenues 372 [3] 388 [3] 57 [3]
Biopharmaceutical [Member] | Aromasin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 361 483 483
Biopharmaceutical [Member] | BMP2 [Member]
      
Revenue from External Customer [Line Items]      
Revenues 340 [3] 400 [3] 81 [3]
Biopharmaceutical [Member] | Relpax [Member]
      
Revenue from External Customer [Line Items]      
Revenues 341 323 326
Biopharmaceutical [Member] | Xanax XR [Member]
      
Revenue from External Customer [Line Items]      
Revenues 306 307 318
Biopharmaceutical [Member] | Tygacil [Member]
      
Revenue from External Customer [Line Items]      
Revenues 298 [3] 324 [3] 54 [3]
Biopharmaceutical [Member] | Neurontin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 289 322 327
Biopharmaceutical [Member] | Diflucan [Member]
      
Revenue from External Customer [Line Items]      
Revenues 265 278 281
Biopharmaceutical [Member] | Arthrotec [Member]
      
Revenue from External Customer [Line Items]      
Revenues 242 250 270
Biopharmaceutical [Member] | Unasyn [Member]
      
Revenue from External Customer [Line Items]      
Revenues 231 244 245
Biopharmaceutical [Member] | Sulperazon [Member]
      
Revenue from External Customer [Line Items]      
Revenues 218 213 204
Biopharmaceutical [Member] | Skelaxin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 203 [5]    
Biopharmaceutical [Member] | Inspra [Member]
      
Revenue from External Customer [Line Items]      
Revenues 195 157 130
Biopharmaceutical [Member] | Dalacin / Cleocin [Member]
      
Revenue from External Customer [Line Items]      
Revenues 192 214 241
Biopharmaceutical [Member] | Methotrexate [Member]
      
Revenue from External Customer [Line Items]      
Revenues 191 164 21
Biopharmaceutical [Member] | Toviaz [Member]
      
Revenue from External Customer [Line Items]      
Revenues 187 137 59
Biopharmaceutical [Member] | Somavert [Member]
      
Revenue from External Customer [Line Items]      
Revenues 183 157 147
Biopharmaceutical [Member] | Alliance revenues [Member]
      
Revenue from External Customer [Line Items]      
Revenues 3,630 [6] 4,084 [6] 2,925 [6]
Biopharmaceutical [Member] | All Other Biopharmaceutical Products [Member]
      
Revenue from External Customer [Line Items]      
Revenues 6,768 [7] 6,194 [7] 4,913 [7]
Other products [Member] | Animal Health [Member]
      
Revenue from External Customer [Line Items]      
Revenues 4,184 [7] 3,575 [7] 2,764 [7]
Other products [Member] | Consumer Healthcare [Member]
      
Revenue from External Customer [Line Items]      
Revenues 3,057 [3] 2,772 [3] 494 [3]
Other products [Member] | Nutrition [Member]
      
Revenue from External Customer [Line Items]      
Revenues 2,138 [3] 1,867 [3] 191 [3]
Other products [Member] | Pfizer CentreSource [Member]
      
Revenue from External Customer [Line Items]      
Revenues $ 299 $ 320 $ 372
[1] For 2011, includes King commencing on the acquisition date of January 31, 2011. For 2009, includes Wyeth commencing on the acquisition date of October 15, 2009.
[2] On November 30, 2011, Lipitor lost exclusivity in the U.S. This loss of exclusivity reduced revenues by $326 million in 2011, in comparison with 2010.
[3] Acquired from Wyeth.
[4] Represents direct sales under license agreement with Eisai Co., Ltd.
[5] Acquired from King.
[6] Enbrel (in the U.S. and Canada), Aricept, Exforge, Rebif and Spiriva.
[7] Includes products from legacy Pfizer, legacy Wyeth and legacy King.