XML 43 R26.htm IDEA: XBRL DOCUMENT v3.5.0.2
Marketable Securities (Tables)
 9 Months Ended
Sep. 30, 2016
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities [Table Text Block]
 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair
Value
 
(In millions)
September 30, 2016
 
 
 
 
 
 
 
United States government obligations
 
 
 
 
 
 
 
Maturity less than 1 year
$
253

 
$
—

 
$
—

 
$
253

Maturity 1 to 5 years
115

 
—

 
—

 
115

Corporate debt securities
 

 
 

 
 

 
 

Maturity less than 1 year
2

 
—

 
—

 
2

Maturity 1 to 5 years
67

 
2

 
—

 
69

Other debt securities
 

 
 

 
 

 
 

Maturity less than 1 year
1

 
—

 
—

 
1

Equity securities
 
 
 

 
 

 
 

Available-for-sale
301

 
—

 
(23
)
 
278

 
$
739

 
$
2

 
$
(23
)
 
$
718


 
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair
Value
 
(In millions)
December 31, 2015
 
 
 
 
 
 
 
United States government obligations
 
 
 
 
 
 
 
Maturity less than 1 year
$
256

 
$
—

 
$
—

 
$
256

Maturity 1 to 5 years
116

 
—

 
—

 
116

Corporate debt securities
 

 
 

 
 

 
 

Maturity 1 to 5 years
26

 
—

 
—

 
26

Other debt securities
 

 
 

 
 

 
 

Maturity less than 1 year
182

 
—

 
—

 
182

Maturity 1 to 5 years
3

 
—

 
—

 
3

Equity securities
 

 
 

 
 

 
 

Available-for-sale
296

 
4

 
(6
)
 
294

 
$
879

 
$
4

 
$
(6
)
 
$
877