Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 02, 2021	Apr. 03, 2020
Derivative [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	$ (139)	$ (128)
Cash flow hedge adjustments
Derivative [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	(152)	(139)
Cash flow hedge adjustments \| Foreign currency contracts
Derivative [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	152	139
Cash flow hedge adjustments \| Interest rate swap
Derivative [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	1	1
Net investment hedges \| Foreign currency contracts
Derivative [Line Items]
Derivative, notional amount outstanding	2,000	1,000
Cash flow hedges \| Foreign currency contracts
Derivative [Line Items]
Derivative, notional amount outstanding	4,000	4,000
Cash flow hedges \| Interest rate swap
Derivative [Line Items]
Gain (loss) on derivatives	$ 0	$ 0

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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Nominal or face amount used to calculate payment on derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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