v3.2.0.727
Discontinued Operations Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from divestiture of discontinued operations     $ 660 $ 0
Gain on divestiture of discontinued operations, net of tax $ 285      
Impairment loss on KDAC interest     $ 88  
Impairment of KDAC interest, Per Share     $ 0.30  
SDAAC        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
SDAAC Ownership Percentage, Classified as Discontinued Operations     50.00%  
KDAC        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
KDAC Ownership Percentage, Classified as Discontinued Operations 50.00%   50.00%  
KDAC | Estimated Fair Value | Fair Value, Measurements, Nonrecurring        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Fair value of KDAC interest $ 32   $ 32  
Discontinued Operations, Held-for-sale or Disposed of by Sale | Thermal Systems        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from divestiture of discontinued operations 670      
Gain on divestiture of discontinued operations, net of tax $ 285 $ 0 285 $ 0
Gain on divestiture of discontinued operations, net of tax, per share $ 0.99      
Tax effect of gain on divestiture of discontinued operations $ 56      
Transaction costs 10      
Accounts Payable pre-funded by Buyer $ 29   $ 29