v3.6.0.2
SCHEDULE I, CONDENSED FINANCIAL INFORMATION OF PARENT, BALANCE SHEETS (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Assets [Abstract]        
Cash and cash equivalents $ 349 $ 403 $ 570 $ 904
Due from affiliates 26 6    
Other current assets 271 267    
Total current assets 3,110 2,891    
Investments in subsidiaries 2,097 2,905    
Due from affiliates 201 186    
Deferred income taxes 234 120    
Other assets 815 641    
Total assets 47,786 41,150 39,651  
Liabilities and shareholders’ equity:        
Current portion of long-term debt 913 907    
Due to affiliates 11 14    
Other current liabilities 557 551    
Total current liabilities 5,927 4,612    
Long-term debt 14,429 13,134    
Shareholders’ equity 12,951 11,809    
Total liabilities and equity 47,786 41,150    
Parent Company [Member]        
Assets [Abstract]        
Cash and cash equivalents 12 4 $ 3 $ 6
Due from affiliates 73 62    
Other current assets 2 4    
Total current assets 87 70    
Investments in subsidiaries 17,329 15,586    
Due from affiliates 0 457    
Deferred income taxes 2,570 2,188    
Other assets 592 641    
Total assets 20,578 18,942    
Liabilities and shareholders’ equity:        
Current portion of long-term debt 600 752    
Due to affiliates 359 332    
Income taxes payable 153 42    
Other current liabilities 374 310    
Total current liabilities 1,486 1,436    
Long-term debt 5,100 5,195    
Due to affiliates 517 0    
Other long-term liabilities 524 502    
Shareholders’ equity 12,951 11,809    
Total liabilities and equity $ 20,578 $ 18,942