XML 72 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivatives and Risk Management Activities - Offsetting (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Derivative Asset Positions    
Gross Position - Asset $ 98 $ 108
Netting adjustment (203) (350)
Cash collateral paid 194 410
Net Position - Asset 89 168
Derivative Liability Positions    
Gross Position - Liability (373) (481)
Netting adjustment 203 350
Net Position - Liability (170) (131)
Other current assets    
Derivative Asset Positions    
Net Position - Asset 88 167
Other long-term assets, net    
Derivative Asset Positions    
Net Position - Asset 1 1
Other current liabilities    
Derivative Liability Positions    
Net Position - Liability (113) (40)
Other long-term liabilities and deferred credits    
Derivative Liability Positions    
Net Position - Liability $ (57) $ (91)