Goodwill And Other Intangible Assets (Rollforward of Goodwill) (Details) $ in Millions	9 Months Ended
Oct. 01, 2021 USD ($)
Goodwill [Roll Forward]
Balance, beginning of period	$ 35,420
Attributable to 2021 acquisitions	6,899
Attributable to 2021 divestitures	(12)
Adjustments due to finalization of purchase price allocations	(12)
Foreign currency translation and other	(1,058)
Balance, end of period	$ 41,237

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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