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- Definition

Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (e)
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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-Topic 944
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Investments (Details) - USD ($) $ in Millions	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 31, 2018
Investments
Fair Value	$ 1,418		$ 1,418		$ 1,336
Total trading short-term investments	1,418		1,418		1,336
Change in unrealized gains (losses) on trading securities	2	$ 37	124	$ 15
Domestic equity securities
Investments
Fair Value Equity	669		669		632
Domestic debt securities
Investments
Fair Value	413		413		268
Foreign equity securities
Investments
Fair Value Equity	191		191		218
Foreign equity securities \| Denominated in foreign currencies
Investments
Fair Value Equity	57		57		66
Foreign equity securities \| Denominated in Euros
Investments
Fair Value Equity	29		29		25
Foreign equity securities \| Denominated in Japanese Yen
Investments
Fair Value Equity	11		11		20
Foreign equity securities \| Denominated in British pounds
Investments
Fair Value Equity	8		8		9
Foreign equity securities \| Denominated in Swiss Franc
Investments
Fair Value Equity	3		3		3
Foreign equity securities \| Denominated in other foreign currencies
Investments
Fair Value Equity	6		6		9
High yield securities
Investments
Fair Value	57		57		19
Foreign debt securities
Investments
Fair Value	39		39		16
Collateralized loan obligation
Investments
Fair Value	27		27		28
Money market funds held in trading accounts
Investments
Fair Value	13		13		146
Money market funds held in trading accounts \| Denominated in foreign currencies
Investments
Fair Value	2		2		10
Term deposits
Investments
Fair Value	4		4		$ 9
Other trading securities
Investments
Fair Value	$ 5		$ 5