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Accounting Policies
 6 Months Ended
Jun. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Accounting Policies
Accounting Policies
In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments necessary for a fair statement of the results of operations and comprehensive income for the three and six months ended June 30, 2014 and 2013, the cash flows for the same six-month periods, and the financial position at June 30, 2014 and December 31, 2013, and except as otherwise discussed such adjustments consist of only those of a normal recurring nature.  The interim results are not necessarily indicative of results for a full year and do not contain information included in the company’s annual consolidated financial statements and notes for the year ended December 31, 2013.  Certain information and footnote disclosures, normally included in financial statements prepared in accordance with generally accepted accounting principles, have been condensed or omitted pursuant to SEC’s rules and regulations dealing with interim financial statements.  However, the company believes that the disclosures made in the condensed consolidated financial statements included herein are adequate to make the information presented not misleading. It is suggested that these financial statements be read in conjunction with the financial statements and the notes thereto included in the company’s latest annual report on Form 10-K.
The results for the three and six months ended June 30, 2013 have been revised to reflect reclassifications due to discontinued operations. See Note 2, "Discontinued Operations," of the condensed consolidated financial statements for further discussion. 
All dollar amounts, except share and per share amounts, are in millions of dollars throughout the tables included in these notes unless otherwise indicated.