Fair Value Measurements (Financial Assets and Liabilities Carried at Fair Value) (Details) - USD ($) $ in Millions	Apr. 02, 2021	Dec. 31, 2020
Assets:
Available-for-sale debt securities	$ 25	$ 27
Investment in equity securities	232	176
Liabilities:
Cross-currency swap derivative contracts	489	622
Deferred compensation plans	125	111
Quoted Prices in Active Market (Level 1)
Assets:
Available-for-sale debt securities	0	0
Investment in equity securities	16	6
Liabilities:
Cross-currency swap derivative contracts	0	0
Deferred compensation plans	0	0
Significant Other Observable Inputs (Level 2)
Assets:
Available-for-sale debt securities	25	27
Investment in equity securities	0	0
Liabilities:
Cross-currency swap derivative contracts	489	622
Deferred compensation plans	125	111
Significant Unobservable Inputs (Level 3)
Assets:
Available-for-sale debt securities	0	0
Investment in equity securities	0	0
Liabilities:
Cross-currency swap derivative contracts	0	0
Deferred compensation plans	$ 0	$ 0

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 45
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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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