Accounting Policies	9 Months Ended
Accounting Policies	Sep. 30, 2013
Accounting Policies [Abstract]
Accounting Policies	Note A—Accounting Policies The accompanying condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q. Therefore, they do not include all of the annual disclosures required by accounting principles generally accepted in the United States of America (GAAP). However, in the opinion of management, these statements include all adjustments, consisting of normal recurring adjustments, which are necessary for a fair presentation of the consolidated financial position at September 30, 2013, and the consolidated results of operations, comprehensive income, and cash flows for the periods ended September 30, 2013 and 2012. The interim period condensed consolidated financial statements should be read in conjunction with the Consolidated Financial Statements that are included in the Form 10-K filed on February 28, 2013.

The entire disclosure for all significant accounting policies of the reporting entity.