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Earnings Per Share
 9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per Share
Basic and diluted earnings per share are computed using the two-class method, which is an earnings allocation method that determines earnings per share for common shares and participating securities. The undistributed earnings are allocated between common shares and participating securities as if all earnings had been distributed during the period. Participating securities and common shares have equal rights to undistributed earnings.
Basic earnings per share is calculated by taking net earnings attributable to Boeing shareholders, less Mandatory convertible preferred stock dividends accumulated during the period and earnings available to participating securities, divided by the basic weighted average common shares outstanding.
Diluted earnings per share is calculated by taking net earnings attributable to Boeing shareholders, less Mandatory convertible preferred stock dividends accumulated during the period and earnings available to participating securities, divided by the diluted weighted average common shares outstanding. Diluted weighted average common shares outstanding is calculated using the treasury stock method for share-based compensation awards and the if-converted method for Mandatory convertible preferred stock.
The elements used in the computation of Basic and Diluted loss per share were as follows:
(In millions - except per share amounts)Nine months ended September 30Three months ended September 30
2025202420252024
Net loss attributable to Boeing shareholders($5,985)($7,952)($5,337)($6,170)
Less: Mandatory convertible preferred stock dividends accumulated during the period
259 87 
Less: earnings available to participating securities  
Net loss available to common shareholders
($6,244)($7,952)($5,424)($6,170)
Basic
Basic weighted average shares outstanding
756.9 616.1 760.1 618.8 
Less: participating securities(1)
0.2 0.3 0.2 0.2 
Basic weighted average common shares outstanding
756.7 615.8 759.9 618.6 
Diluted
Diluted weighted average shares outstanding
756.9 616.1 760.1 618.8 
Less: participating securities(1)
0.2 0.3 0.2 0.2 
Diluted weighted average common shares outstanding
756.7 615.8 759.9 618.6 
Net loss per share:
Basic
($8.25)($12.91)($7.14)($9.97)
Diluted
(8.25)(12.91)(7.14)(9.97)
(1)Participating securities include certain instruments in our deferred compensation plan.
The following table represents potential common shares that were not included in the computation of Diluted loss per share because the effect was antidilutive based on their strike price or the performance condition was not met.
(Shares in millions)Nine months ended September 30Three months ended September 30
2025202420252024
Performance restricted stock units0.5 0.7 0.5 0.7 
Restricted stock units0.2 0.7  
Stock options0.8 0.8 0.6 0.8 
In addition, potential common shares of 36.5 million and 35.9 million for the nine and three months ended September 30, 2025, and 2.9 million for the nine and three months ended September 30, 2024, were excluded from the computation of Diluted loss per share, because the effect would have been antidilutive as a result of incurring a net loss in those periods.