Quarterly report pursuant to Section 13 or 15(d)

Investments (Tables)

v3.8.0.1
Investments (Tables)
 9 Months Ended
Sep. 30, 2017
Schedule of Available-For-Sale Securities [Line Items]  
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
 
 
September 30, 2017
 
December 31, 2016
(In Millions)
 
Adjusted Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Fair Value
 
Adjusted Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Fair Value
Corporate debt
 
$
2,603

 
$
12

 
$
(7
)
 
$
2,608

 
$
3,847

 
$
4

 
$
(14
)
 
$
3,837

Financial institution instruments
 
7,709

 
6

 
(4
)
 
7,711

 
6,098

 
5

 
(11
)
 
6,092

Government debt
 
986

 
3

 
(3
)
 
986

 
1,581

 
—

 
(8
)
 
1,573

Marketable equity securities
 
2,101

 
3,958

 
—

 
6,059

 
2,818

 
3,363

 
(1
)
 
6,180

Total available-for-sale investments
 
$
13,399

 
$
3,979

 
$
(14
)
 
$
17,364

 
$
14,344

 
$
3,372

 
$
(34
)
 
$
17,682

Available-for-sale Securities [Member]  
Schedule of Available-For-Sale Securities [Line Items]  
Investments Classified by Contractual Maturity Date [Table Text Block]
The fair value of available-for-sale debt investments, by contractual maturity, as of September 30, 2017, were as follows:
(In Millions)
 
Fair Value
Due in 1 year or less
 
$
3,314

Due in 1–2 years
 
1,573

Due in 2–5 years
 
2,200

Due after 5 years
 
71

Instruments not due at a single maturity date
 
4,147

Total
 
$
11,305