XML 72 R54.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivatives and Risk Management Activities - Offsetting (Details) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Derivative Asset Positions    
Gross Position - Asset $ 293 $ 90
Netting adjustment (441) (239)
Cash collateral paid 217 212
Net Position - Asset 69 63
Derivative Liability Positions    
Gross Position - Liability (549) (425)
Netting adjustment 441 239
Net Position - Liability (108) (186)
Other current assets    
Derivative Asset Positions    
Net Position - Asset 61 62
Other long-term assets, net    
Derivative Asset Positions    
Net Position - Asset 8 1
Other current liabilities    
Derivative Liability Positions    
Net Position - Liability (68) (151)
Other long-term liabilities and deferred credits    
Derivative Liability Positions    
Net Position - Liability $ (40) $ (35)