Rendering

Component: (Network and Table)
Network
1071 - Disclosure - Restructuring and Other Charges - Activity and Reserve Balances for Restructuring Charges (Detail)
(http://www.alcoa.com/taxonomy/role/DisclosureRestructuringAndOtherChargesActivityAndReserveBalancesForRestructuringCharges)
TableSchedule of Restructuring and Related Costs [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000004281 (http://www.sec.gov/CIK)
Restructuring Cost and Reserve [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Restructuring Type [Axis]Restructuring Type [Axis]Restructuring Type [Axis]
Layoff Costs [Member]Other Exit Costs [Member]Type of Restructuring [Domain]Layoff Costs [Member]Other Exit Costs [Member]Type of Restructuring [Domain]Layoff Costs [Member]Other Exit Costs [Member]Type of Restructuring [Domain]
Restructuring reserve beginning balance
84,000,000  
9,000,000  
93,000,000  
48,000,000  
20,000,000  
68,000,000  
37,000,000  
29,000,000  
66,000,000  
Cash payments
(73,000,000) 
(13,000,000) 
(86,000,000) 
(45,000,000) 
(12,000,000) 
(57,000,000) 
(75,000,000) 
(16,000,000) 
(91,000,000) 
Restructuring charges
70,000,000  
27,000,000  
97,000,000  
97,000,000  
7,000,000  
104,000,000  
105,000,000  
43,000,000  
148,000,000  
Other
(31,000,000) 
(14,000,000) 
(45,000,000) 
(16,000,000) 
(6,000,000) 
(22,000,000) 
(19,000,000) 
(36,000,000) 
(55,000,000) 
Restructuring reserve ending balance
50,000,000  
 
9,000,000  
 
59,000,000  
 
84,000,000  
 
9,000,000  
 
93,000,000  
 
48,000,000  
 
20,000,000  
 
68,000,000