XML 57 R48.htm IDEA: XBRL DOCUMENT v3.20.2
Segment Information - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2020
USD ($)
segment
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]      
Number of Reportable Segments | segment 4    
Goodwill $ 4,051   $ 4,067
Percentage of revenue from aerospace end market (percent) 73.00%    
Revenue Benchmark | Customer Concentration Risk      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 12.00%    
Engineered Structures      
Segment Reporting Information [Line Items]      
Goodwill   $ 17  
Margin between fair value of reporting unit and carrying value (percent) 20.00% 15.00% 60.00%
Engine Products      
Segment Reporting Information [Line Items]      
Goodwill   $ (17)