XML 53 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Acquisitions (Purchase Price Allocation) (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Business Acquisition [Line Items]    
Goodwill $ 9,772 $ 9,674
CTF Transaction [Member]    
Business Acquisition [Line Items]    
Current assets 353  
Property, plant and equipment 6,096  
Goodwill 2,606  
Other intangibles - primarily customer list 2,262 $ 2,162
Current liabilities (579)  
Long-term debt (544)  
Other liabilities (323)  
Total net assets acquired $ 9,871