Rendering

Component: (Network and Table)
Network
1105 - Disclosure - Schedule of Severance Related Accruals (Detail)
(http://www.unitedcontinentalholdings.com/taxonomy/role/DisclosureScheduleOfSeveranceRelatedAccruals)
TableSpecial Charges [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000100517 (http://www.sec.gov/CIK)
Legal EntityEntity [Domain]
Schedule Of Accrual Activity [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]
Severance and Benefits CostsPermanently Grounded AircraftSeverance and Benefits CostsPermanently Grounded AircraftSeverance and Benefits CostsPermanently Grounded Aircraft
Beginning Balance
27,000,000  
78,000,000  
109,000,000  
102,000,000  
91,000,000  
11,000,000  
Accrual
37,000,000  
(17,000,000) 
107,000,000  
30,000,000  
199,000,000  
102,000,000  
Payments
(50,000,000) 
(20,000,000) 
(189,000,000) 
(54,000,000) 
(181,000,000) 
(11,000,000) 
Ending Balance
14,000,000  
 
41,000,000  
 
27,000,000  
 
78,000,000  
 
109,000,000  
 
102,000,000