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Share Capital (Tables)
9 Months Ended
Sep. 30, 2011
Stockholders' Equity Attributable to Parent [Abstract]
Movements In Shares Issued And Outstanding
Nine months ended
Nine months ended
In millions
September 30, 2011
September 30, 2010
Common shares issued — beginning balance
490.4
459.5
Issue of new shares
—
11.7
Common shares issued — ending balance
490.4
471.2
Less: Treasury shares for which dividend and voting rights do not apply
(39.4
)
(28.4
)
Common shares outstanding
451.0
442.8
Participating preferred shares, on as converted basis
—
19.2
Common shares and common shares equivalents outstanding
451.0
462.0
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Movements in number of shares issued.
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