| Schedule of Available-for-sale Securities Reconciliation [Table Text Block] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
April 1, 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 |
|
$ |
4,396 |
|
|
$ |
7 |
|
|
$ |
(10 |
) |
|
$ |
4,393 |
|
|
$ |
3,847 |
|
|
$ |
4 |
|
|
$ |
(14 |
) |
|
$ |
3,837 |
|
Financial institution instruments |
|
4,708 |
|
|
8 |
|
|
(10 |
) |
|
4,706 |
|
|
6,098 |
|
|
5 |
|
|
(11 |
) |
|
6,092 |
|
Government debt |
|
1,417 |
|
|
1 |
|
|
(7 |
) |
|
1,411 |
|
|
1,581 |
|
|
— |
|
|
(8 |
) |
|
1,573 |
|
Marketable equity securities |
|
2,649 |
|
|
4,182 |
|
|
— |
|
|
6,831 |
|
|
2,818 |
|
|
3,363 |
|
|
(1 |
) |
|
6,180 |
|
Total available-for-sale investments |
|
$ |
13,170 |
|
|
$ |
4,198 |
|
|
$ |
(27 |
) |
|
$ |
17,341 |
|
|
$ |
14,344 |
|
|
$ |
3,372 |
|
|
$ |
(34 |
) |
|
$ |
17,682 |
|
|
| Investments Classified by Contractual Maturity Date [Table Text Block] |
The fair value of available-for-sale debt investments, by contractual maturity, as of April 1, 2017, were as follows:
|
|
|
|
|
|
(In Millions) |
|
Fair Value |
Due in 1 year or less |
|
$ |
4,287 |
|
Due in 1–2 years |
|
1,647 |
|
Due in 2–5 years |
|
3,357 |
|
Due after 5 years |
|
145 |
|
Instruments not due at a single maturity date |
|
1,074 |
|
Total |
|
$ |
10,510 |
|
|