Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 4)

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Summary of Significant Accounting Policies (Details 4) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Earnings per share    
Dilutive shares attributable to non-vested restricted stock and restricted stock unit awards and stock options. 19,930 16,876
Other comprehensive income (loss)   $ 0