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Supplemental Financial Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Cash Flow Statements, Captions [Line Items]
Net earnings allocated to common shares	$ 1,429	$ 2,092	$ 5,876	$ 5,061
Payment of cash taxes			987	$ 990
Equity method investments carrying value	228		228
Equity investment without readily determinable fair value	83		83
St. Jude Medical | Equity securities
Condensed Cash Flow Statements, Captions [Line Items]
Securities in mutual funds held in a rabbi trust	$ 285		285
Walk Vascular
Condensed Cash Flow Statements, Captions [Line Items]
Business acquisition, percentage acquired		100.00%		100.00%
Defined Benefit Plans
Condensed Cash Flow Statements, Captions [Line Items]
Pension contributions			$ 362	$ 366

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