| Computation of basic and diluted earnings per share |
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For the Three Months Ended
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March 31, 2018
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March 31, 2017
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Number of shares on which basic earnings per share is calculated:
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Weighted-average shares outstanding during period
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920,680,222
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942,440,901
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Add — Incremental shares under stock-based compensation plans
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3,553,104
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4,213,258
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Add — Incremental shares associated with contingently issuable shares
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1,176,108
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1,182,047
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Number of shares on which diluted earnings per share is calculated
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925,409,434
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947,836,207
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Income from continuing operations (millions)
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$
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1,675
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$
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1,753
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Income/(loss) from discontinued operations, net of tax (millions)
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4
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(3
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)
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Net income on which basic earnings per share is calculated (millions)
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$
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1,679
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$
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1,750
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Income from continuing operations (millions)
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$
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1,675
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$
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1,753
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Net income applicable to contingently issuable shares (millions)
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—
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—
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Income from continuing operations on which diluted earnings per share is calculated (millions)
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$
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1,675
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$
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1,753
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Income/(loss) from discontinued operations, net of tax, on which basic and diluted earnings per share is calculated (millions)
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4
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(3
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)
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Net income on which diluted earnings per share is calculated (millions)
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$
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1,679
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$
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1,750
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Earnings/(loss) per share of common stock:
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Assuming dilution
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Continuing operations
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$
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1.81
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$
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1.85
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Discontinued operations
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0.00
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0.00
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Total
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$
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1.81
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$
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1.85
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Basic
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Continuing operations
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$
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1.82
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$
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1.86
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Discontinued operations
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0.00
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0.00
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Total
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$
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1.82
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$
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1.86
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