XML 41 R27.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings Per Share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Earnings Per Share |
Common Share Data Used for Computing Basic and Diluted Earnings Per Share | Basic and diluted earnings per share were computed using the following common share data (shares in millions):
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Number of common shares outstanding at end of period |  | 427.1 |  | 434.2 |  | 427.1 |  | 434.2
Effect of using weighted average common shares outstanding |  | 0.8 |  | 3.6 |  | 3.2 |  | 6.1
Weighted average basic common shares outstanding |  | 427.9 |  | 437.8 |  | 430.3 |  | 440.3
Dilutive effect of equity-based compensation awards and other contingently issuable shares |  | 2.9 |  | 3.0 |  | 2.9 |  | 3.0
Weighted average diluted common shares outstanding |  | 430.8 |  | 440.8 |  | 433.2 |  | 443.3
Potentially issuable shares |  | 7.6 |  | 8.2 |  | 7.6 |  | 8.2
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding |  | 1.5 |  | 1.9 |  | 1.5 |  | 2.3

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration