XML 51 R37.htm IDEA: XBRL DOCUMENT
v3.22.0.1

MARKETABLE SECURITIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Marketable Securities [Abstract] |
Summary of marketable securities | A summary of marketable securities, all of which are classified as current, was as follows:
|  | December 31,
|  | 2021 |  | 2020
In millions |  | Cost |  | Gross unrealized gains/(losses) (1) |  | Estimated fair value |  | Cost |  | Gross unrealized gains/(losses) (1) |  | Estimated fair value
Equity securities |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 299 |  |  | $ | — |  |  | $ | 299 |  |  | $ | 164 |  |  | $ | — |  |  | $ | 164 |
Debt mutual funds |  | 254 |  |  | 2 |  |  | 256 |  |  | 267 |  |  | 5 |  |  | 272 |
Equity mutual funds |  | 29 |  |  | 10 |  |  | 39 |  |  | 19 |  |  | 5 |  |  | 24 |
Debt securities |  | 1 |  |  | — |  |  | 1 |  |  | 1 |  |  | — |  |  | 1 |
Total marketable securities |  | $ | 583 |  |  | $ | 12 |  |  | $ | 595 |  |  | $ | 451 |  |  | $ | 10 |  |  | $ | 461 |
(1) Unrealized gains and losses for debt securities are recorded in other comprehensive income while unrealized gains and losses for equity securities are recorded in "Other income, net" in our Consolidated Statements of Net Income.
Schedule of proceeds from sales and maturities of marketable securities | The proceeds from sales and maturities of marketable securities were as follows:
|  | Years ended December 31,
In millions |  | 2021 |  | 2020 |  | 2019
Proceeds from sales of marketable securities |  | $ | 494 |  |  | $ | 343 |  |  | $ | 258 |
Proceeds from maturities of marketable securities |  | 179 |  |  | 126 |  |  | 131 |
Investments in marketable securities - liquidations |  | $ | 673 |  |  | $ | 469 |  |  | $ | 389 |

X
- References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration