| Summary of Computation of Basic and Diluted Earnings Per Share |
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Three Months Ended September 30,
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Nine Months Ended September 30,
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2013
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2012
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2013
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2012
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(in millions, except share and per share amounts)
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Numerator:
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Net income attributable to common shareholders
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$
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113
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$
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89
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$
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244
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$
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266
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Denominator:
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Weighted-average common shares outstanding for basic earnings per share
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167,337,700
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166,235,266
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166,476,927
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169,516,767
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Weighted-average effect of dilutive securities:
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Employee equity awards
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3,773,791
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4,284,300
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3,854,863
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3,970,984
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Contingent issuance of common stock(1)
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992,247
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-
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330,749
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-
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3.75% convertible notes(2)
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-
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-
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-
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20,891
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Weighted-average common shares outstanding for diluted earnings per share
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172,103,738
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170,519,566
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170,662,539
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173,508,642
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Basic and diluted earnings per share:
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Basic earnings per share
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$
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0.68
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$
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0.53
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$
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1.46
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$
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1.57
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Diluted earnings per share
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$
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0.66
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$
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0.52
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$
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1.43
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$
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1.53
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(1) See “Acquisition of eSpeed for Trading of U.S. Treasuries,” of Note 4, “Acquisitions and Divestiture,” for further discussion.
(2) In June 2012, the remaining $0.5 million of our 3.75% convertible notes outstanding was converted into 34,482 shares of common stock in accordance with the terms of the notes.
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