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Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities (Tables)
12 Months Ended
Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Foreign Exchange Contracts
The following table identifies the contract notional amount of the Company’s foreign exchange forward contracts at December 31:
In millions
2017
 
2016
Contract notional amount of foreign exchange forward contracts
$
147

 
$
156

Net contract notional amount of foreign exchange forward contracts
$
23

 
$
16