INVESTMENTS (Tables)
|
12 Months Ended |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Investments Disclosure [Abstract] |
|
|
| Carrying value of equity securities by balance sheet location [Table Text Block] |
As of December 31, 2018, the carrying values of our equity securities were included in the following line items in our consolidated balance sheet (in millions):
|
|
|
|
|
|
|
|
|
Fair Value with Changes Recognized in Income |
|
Measurement Alternative — No Readily Determinable Fair Value
|
|
Marketable securities |
$ |
278 |
|
$ |
— |
|
Other investments |
787 |
|
80 |
|
Other assets |
869 |
|
— |
|
Total equity securities |
$ |
1,934 |
|
$ |
80 |
|
|
|
| Unrealized Gain (Loss) on Investments [Table Text Block] |
The calculation of net unrealized gains and losses recognized during the year related to equity securities still held at December 31, 2018 is as follows (in millions):
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|
|
|
|
|
Year Ended
December 31, 2018
|
|
Net gains (losses) recognized during the year related to equity securities |
$ |
(250 |
) |
Less: Net gains (losses) recognized during the year related to equity securities sold during the year |
8 |
|
|
Net unrealized gains (losses) recognized during the year related to equity securities still held at the end of
the year
|
$ |
(258 |
) |
|
|
| Equity securities by security type [Table Text Block] |
|
As of December 31, 2017, our equity securities consisted of the following (in millions):
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Gross Unrealized |
|
Estimated |
|
|
Cost |
|
Gains |
|
Losses |
|
|
Fair Value |
|
Trading securities |
$ |
324 |
|
$ |
75 |
|
$ |
(4 |
) |
|
$ |
395 |
|
Available-for-sale securities |
1,276 |
|
685 |
|
(66 |
) |
|
1,895 |
|
Total equity securities |
$ |
1,600 |
|
$ |
760 |
|
$ |
(70 |
) |
|
$ |
2,290 |
|
|
| Fair value of equity securities by balance sheet location [Table Text Block] |
|
As of December 31, 2017, the fair values of our equity securities were included in the following line items in our consolidated balance sheet (in millions):
|
|
|
|
|
|
|
|
|
Trading Securities |
|
Available-for-Sale Securities |
|
Marketable securities |
$ |
283 |
|
$ |
52 |
|
Other investments |
— |
|
953 |
|
Other assets |
112 |
|
890 |
|
Total equity securities |
$ |
395 |
|
$ |
1,895 |
|
|
| Schedule of Realized Gain (Loss) [Table Text Block] |
|
The sale and/or maturity of available-for-sale equity securities resulted in the following realized activity (in millions):
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|
|
|
|
|
Year Ended |
|
|
December 31, 2017 |
|
Gross gains |
$ |
61 |
|
Gross losses |
(19 |
) |
Proceeds |
275 |
|
|
| Schedule of debt securities [Table Text Block] |
Our debt securities consisted of the following (in millions):
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|
|
|
|
|
|
|
|
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|
|
|
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|
Gross Unrealized |
Estimated Fair Value |
|
|
Cost |
|
Gains |
|
Losses |
|
December 31, 2018 |
|
|
|
|
Trading securities |
$ |
45 |
|
$ |
— |
|
$ |
(1 |
) |
$ |
44 |
|
Available-for-sale securities |
4,901 |
|
119 |
|
(27 |
) |
4,993 |
|
Total debt securities |
$ |
4,946 |
|
$ |
119 |
|
$ |
(28 |
) |
$ |
5,037 |
|
December 31, 2017 |
|
|
|
|
Trading securities |
$ |
12 |
|
$ |
— |
|
$ |
— |
|
$ |
12 |
|
Available-for-sale securities |
5,782 |
|
157 |
|
(27 |
) |
5,912 |
|
Total debt securities |
$ |
5,794 |
|
$ |
157 |
|
$ |
(27 |
) |
$ |
5,924 |
|
|
|
| Fair value of debt securities by balance sheet location [Table Text Block] |
The fair values of our debt securities were included in the following line items in our consolidated balance sheets (in millions):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2018 |
|
December 31, 2017 |
|
Trading Securities |
|
Available-for-Sale Securities |
|
|
Trading Securities |
|
Available-for-Sale Securities |
|
Cash and cash equivalents |
$ |
— |
|
$ |
— |
|
|
$ |
— |
|
$ |
667 |
|
Marketable securities |
44 |
|
4,691 |
|
|
12 |
|
4,970 |
|
Other assets |
— |
|
302 |
|
|
— |
|
275 |
|
Total debt securities |
$ |
44 |
|
$ |
4,993 |
|
|
$ |
12 |
|
$ |
5,912 |
|
|
|
| Investments Classified by Contractual Maturity Date [Table Text Block] |
The contractual maturities of these available-for-sale debt securities as of December 31, 2018 were as follows (in millions):
|
|
|
|
|
|
|
|
|
Cost |
|
Estimated
Fair Value |
|
Within 1 year |
$ |
685 |
|
$ |
682 |
|
After 1 year through 5 years |
3,871 |
|
3,948 |
|
After 5 years through 10 years |
106 |
|
122 |
|
After 10 years |
239 |
|
241 |
|
Total |
$ |
4,901 |
|
$ |
4,993 |
|
|
|
| Realized Gain (Loss) on Investments [Table Text Block] |
The sale and/or maturity of available-for-sale debt securities resulted in the following realized activity (in millions):
|
|
|
|
|
|
|
|
Year Ended December 31, |
2018 |
|
2017 |
|
Gross gains |
$ |
22 |
|
$ |
7 |
|
Gross losses |
(27 |
) |
(13 |
) |
Proceeds |
13,710 |
|
13,930 |
|
|
|