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Other Income (Expense), Net
 3 Months Ended
Mar. 31, 2018
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
OTHER INCOME (EXPENSE), NET
 
Other, net, which is included in other income (expense), net, was as follows, in millions:
 
Three Months Ended March 31,
 
2018
 
2017
Income from cash and cash investments and short-term bank deposits
$
2

 
$
1

Realized gains from private equity funds
—

 
1

Foreign currency transaction (losses) gains
(1
)
 
1

Net periodic pension and post-retirement benefit cost
(4
)
 
(7
)
Total other, net
$
(3
)
 
$
(4
)