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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Preferred Stock, Par or Stated Value Per Share $ 1us-gaap_PreferredStockParOrStatedValuePerShare  
Preferred Stock, Shares Authorized 10,000,000us-gaap_PreferredStockSharesAuthorized  
Preferred Stock, Shares Issued 4,212us-gaap_PreferredStockSharesIssued 4,369us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Outstanding 4,212us-gaap_PreferredStockSharesOutstanding 4,369us-gaap_PreferredStockSharesOutstanding
Preferred Stock, Liquidation Preference Per Share $ 50us-gaap_PreferredStockLiquidationPreference  
Common Stock, Par or Stated Value Per Share $ 0.1us-gaap_CommonStockParOrStatedValuePerShare  
Common Stock, Shares Authorized 4,500,000,000us-gaap_CommonStockSharesAuthorized  
Common Stock, Shares Issued 2,200,000,000us-gaap_CommonStockSharesIssued 2,200,000,000us-gaap_CommonStockSharesIssued
Treasury Stock, Shares 547,000,000us-gaap_TreasuryStockShares 559,000,000us-gaap_TreasuryStockShares