Rendering

Component: (Network and Table)
Network
1056 - 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]0001675149 (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
137,000,000  
15,000,000  
152,000,000  
50,000,000  
13,000,000  
63,000,000  
58,000,000  
14,000,000  
72,000,000  
Cash payments
(74,000,000) 
(35,000,000) 
(109,000,000) 
(65,000,000) 
(1,000,000) 
(66,000,000) 
(120,000,000) 
(7,000,000) 
(127,000,000) 
Restructuring charges
32,000,000  
168,000,000  
200,000,000  
199,000,000  
423,000,000  
622,000,000  
138,000,000  
158,000,000  
296,000,000  
Other
(57,000,000) 
(120,000,000) 
(177,000,000) 
(47,000,000) 
(420,000,000) 
(467,000,000) 
(26,000,000) 
(152,000,000) 
(178,000,000) 
Restructuring reserve ending balance
38,000,000  
 
28,000,000  
 
66,000,000  
 
137,000,000  
 
15,000,000  
 
152,000,000  
 
50,000,000  
 
13,000,000  
 
63,000,000