XML 40 R28.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivative Instruments (Narrative) (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Senior Unsecured Notes 3.375% due 2024    
Senior Unsecured Notes $ 600  
Net Investment Hedging    
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value 1  
Foreign Exchange Contract    
Notional Amount 4,298 $ 3,899
Foreign Exchange Contract | Designated as Hedging Instrument    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months (8) 1
Notional Amount 1,123 1,058
Interest rate swap liability | Designated as Hedging Instrument | Interest Rate Risk    
Notional Amount 600  
Derivative Asset, Fair Value, Gross Asset 41  
Interest rate swap liability | Designated as Hedging Instrument | Fair Value Hedging    
Notional Amount $ 500 $ 500