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Acquisition of Consolidated Container Company - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 4 Months Ended 9 Months Ended 12 Months Ended
May 22, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Business Acquisition [Line Items]              
Revenue   $ 3,521 $ 3,287   $ 10,180 $ 9,767  
Corporate [Member]              
Business Acquisition [Line Items]              
Revenue   249 $ 37   403 $ 110  
CCC Acquisition Holdings, Inc. [Member]              
Business Acquisition [Line Items]              
Payments for acquisition $ 1,200            
Cash payments funding acquisition         620    
Goodwill deductible for tax purposes   94   $ 94 $ 94    
CCC Acquisition Holdings, Inc. [Member] | Customer Relationships [Member]              
Business Acquisition [Line Items]              
Useful life of intangible assets         21 years    
CCC Acquisition Holdings, Inc. [Member] | Trade Name [Member]              
Business Acquisition [Line Items]              
Useful life of intangible assets         10 years    
Consolidated Container Company [Member]              
Business Acquisition [Line Items]              
Revenue             $ 788
Debt financing proceeds funding acquisition         $ 600    
Consolidated Container Company [Member] | Corporate [Member]              
Business Acquisition [Line Items]              
Revenue   $ 202   $ 293