XML 68 R50.htm IDEA: XBRL DOCUMENT v3.19.1
OTHER - Changes in Estimates and Backlog (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended
Apr. 30, 2019
satellite
Feb. 28, 2019
satellite
Mar. 31, 2019
USD ($)
satellite
program
$ / shares
Mar. 25, 2018
USD ($)
$ / shares
Change in Accounting Estimate [Line Items]        
Performance obligation satisfied in previous period     $ 670 $ 415
Number of satellites launched or to be launched | satellite   1 3  
Contracts Accounted for under Percentage of Completion        
Change in Accounting Estimate [Line Items]        
Increase in operating profit due to profit rate adjustments     $ 565 420
Increase in net earnings due to profit rate adjustments     $ 446 $ 332
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share) | $ / shares     $ 1.57 $ 1.15
Ground Based Radar        
Change in Accounting Estimate [Line Items]        
Contract loss incurred, gross     $ 50  
Contract loss incurred, after tax     $ 38  
Contract loss incurred, earnings per share (in dollars per share) | $ / shares     $ 0.13  
Cumulative losses on development     $ 195  
LM 2100 Project        
Change in Accounting Estimate [Line Items]        
Contract loss incurred, gross     20  
Contract loss incurred, after tax     $ 15  
Contract loss incurred, earnings per share (in dollars per share) | $ / shares     $ 0.05  
Cumulative losses on development     $ 410  
Warrior Capability Sustainment Program        
Change in Accounting Estimate [Line Items]        
Cumulative losses on development     $ 140  
Space        
Change in Accounting Estimate [Line Items]        
Number of commercial satellite programs with performance issues | program     2  
Subsequent Event        
Change in Accounting Estimate [Line Items]        
Number of satellites launched or to be launched | satellite 1