v2.4.0.8
Restructuring - Charges Related to Restructuring Program Activities by Type of Cost (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]      
Materials and production $ 16,954 $ 16,446 $ 16,871
Marketing and administrative 11,911 12,776 13,733
Research and development 7,503 8,168 8,467
Restructuring costs 1,709 664 1,306
Expenses 2,401 999 1,891
2013 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 193    
Marketing and administrative 75    
Research and development 75    
Restructuring costs 898    
Expenses 1,241    
Merger Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 249 162 299
Marketing and administrative 66 81 119
Research and development 26 57 134
Restructuring costs 765 651 1,294
Expenses 1,106 951 1,846
2008 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 4 26 29
Marketing and administrative 4 9  
Research and development     4
Restructuring costs 46 13 12
Expenses 54 48 45
Separation Costs [Member]
      
Restructuring Cost and Reserve [Line Items]      
Expenses 1,381 489 1,111
Separation Costs [Member] | 2013 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 0    
Marketing and administrative 0    
Research and development 0    
Restructuring costs 866    
Expenses 866    
Separation Costs [Member] | Merger Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 0 0 0
Marketing and administrative 0 0 0
Research and development 0 0 0
Restructuring costs 481 497 1,117
Expenses 481 497 1,117
Separation Costs [Member] | 2008 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 0 0 0
Marketing and administrative 0 0  
Research and development     0
Restructuring costs 34 (8) (6)
Expenses 34 (8) (6)
Accelerated Depreciation [Member]
      
Restructuring Cost and Reserve [Line Items]      
Expenses 577 235 569
Accelerated Depreciation [Member] | 2013 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 186    
Marketing and administrative 72    
Research and development 76    
Restructuring costs 0    
Expenses 334    
Accelerated Depreciation [Member] | Merger Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 151 92 282
Marketing and administrative 63 75 108
Research and development 27 53 151
Restructuring costs 0 0 0
Expenses 241 220 541
Accelerated Depreciation [Member] | 2008 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production (2) 7 24
Marketing and administrative 4 8  
Research and development     4
Restructuring costs 0 0 0
Expenses 2 15 28
Other [Member]
      
Restructuring Cost and Reserve [Line Items]      
Expenses 443 275 211
Other [Member] | 2013 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 7    
Marketing and administrative 3    
Research and development (1)    
Restructuring costs 32    
Expenses 41    
Other [Member] | Merger Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 98 70 17
Marketing and administrative 3 6 11
Research and development (1) 4 (17)
Restructuring costs 284 154 177
Expenses 384 234 188
Other [Member] | 2008 Restructuring Program [Member]
      
Restructuring Cost and Reserve [Line Items]      
Materials and production 6 19 5
Marketing and administrative 0 1  
Research and development     0
Restructuring costs 12 21 18
Expenses $ 18 $ 41 $ 23