XML 107 R74.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt and Interest Costs - Rexam (Details)
€ in Millions, $ in Millions, £ in Billions
2 Months Ended 12 Months Ended
Aug. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Jun. 30, 2016
USD ($)
Mar. 31, 2016
EUR (€)
Mar. 31, 2016
USD ($)
Dec. 31, 2015
EUR (€)
Dec. 31, 2015
GBP (£)
Dec. 31, 2015
USD ($)
Feb. 28, 2015
GBP (£)
Debt Instrument [Line Items]                    
Rexam debt assumed       $ 2,800            
Rexam                    
Debt Instrument [Line Items]                    
Rexam debt assumed       $ 2,792            
Assumed debt extinguished $ 2,700                  
Payment Of Fees to Lenders to Obtain Financing   $ 32 $ 77              
Bridge Facility | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt | £               £ 1.9   £ 3.3
Senior Notes 4.375 percent, due December 2020 | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt                 $ 1,000  
Senior Notes 3.50 Percent, euro denominated, due December 2020 | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt | €             € 400      
Senior Notes 4.375 percent, euro denominated, due December 2023 | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt | €             € 700      
Term A Loan, due June 2021                    
Debt Instrument [Line Items]                    
Face amount of debt           $ 1,400        
Term A Loan, due June 2021 | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt           $ 1,400        
Term A Loan, euro denominated, due June 2021                    
Debt Instrument [Line Items]                    
Face amount of debt | €         € 1,100          
Term A Loan, euro denominated, due June 2021 | Rexam                    
Debt Instrument [Line Items]                    
Face amount of debt | €         € 1,100