Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

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Summary of Significant Accounting Policies (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings per share        
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent     $ 0  
Dilutive shares attributable to non-vested restricted stock and restricted stock unit awards and stock options. 19,930   16,876  
Weighted Average Number of Shares Outstanding, Basic 262,049,948 262,049,659 262,049,756 262,049,659
Weighted Average Number of Shares Outstanding, Diluted 262,069,878 262,049,659 262,066,632 262,049,659
Restricted Stock and Restricted Stock Unit [Member]
       
Earnings per share        
Non-vested shares 1,906,778   929,223  
Stock options
       
Earnings per share        
Non-vested shares 60,000   70,339