v3.8.0.1
Goodwill and Other Intangible Assets, net (Range of Useful Lives of Amortizable Intangible Assets) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross carrying amount $ 1,798 $ 1,598
Trademarks [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross carrying amount $ 1,559  
Weighted-Average Remaining Useful Life 19 years  
Trademarks [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 2 years  
Trademarks [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 40 years  
Distribution Networks [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross carrying amount $ 152  
Weighted-Average Remaining Useful Life 9 years  
Distribution Networks [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 5 years  
Distribution Networks [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 30 years  
Other (Including Farmer Contracts and Intellectual Property Rights) [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Amortizable intangible assets, gross carrying amount $ 87  
Weighted-Average Remaining Useful Life 9 years  
Other (Including Farmer Contracts and Intellectual Property Rights) [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 4 years  
Other (Including Farmer Contracts and Intellectual Property Rights) [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Initial Estimated Useful Lives 17 years