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v3.20.2

Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Numerator: |  |  |  |
Net income attributable to common shareowners | $ 1,957 | $ 1,750 | $ 4,690 | $ 4,546
Denominator: |  |  |  |
Weighted average shares | 864 | 858 | 861 | 859
Deferred compensation obligations | 0 | 0 | 0 | 0
Vested portion of restricted shares | 4 | 6 | 5 | 6
Denominator for basic earnings per share | 868 | 864 | 866 | 865
Effect of dilutive securities: |  |  |  |
Denominator for diluted earnings per share | 872 | 870 | 870 | 869
Basic earnings per share (usd per share) | $ 2.25 | $ 2.03 | $ 5.42 | $ 5.26
Diluted earnings per share (usd per share) | $ 2.24 | $ 2.01 | $ 5.39 | $ 5.23
Restricted performance units |  |  |  |
Effect of dilutive securities: |  |  |  |
Incremental common shares attributable to share-based payment arrangements | 4 | 6 | 4 | 4
Stock option plans |  |  |  |
Effect of dilutive securities: |  |  |  |
Incremental common shares attributable to share-based payment arrangements | 0 | 0 | 0 | 0

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