XML 32 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Basis Of Presentation (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
Basis of Presentation [Line Items]      
Change in diluted earnings per share due to net favorable cumulative catch-up adjustments $ 0.12ba_ChangeInEarningsPerShareDueToChangeInAccountingEstimate $ 0.15ba_ChangeInEarningsPerShareDueToChangeInAccountingEstimate  
Increase/(Decrease) in Earnings from operations due to change in accounting estimate. $ 130ba_IncreaseDecreaseinEarningsfromoperationsduetochangeinaccountingestimate. $ 167ba_IncreaseDecreaseinEarningsfromoperationsduetochangeinaccountingestimate.  
KC-46A Tanker [Member]      
Basis of Presentation [Line Items]      
Increase/(Decrease) in Earnings from operations due to change in accounting estimate.     $ (425)ba_IncreaseDecreaseinEarningsfromoperationsduetochangeinaccountingestimate.
/ ba_ProgramAxis
= ba_KC46ATankerMember