Supplemental Financial Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Condensed Cash Flow Statements, Captions [Line Items]
Net earnings allocated to common shares	$ 1,220	$ 1,313
Payment of cash taxes	225	122
Equity method investments carrying value	154
Equity investments without readily determinable fair value	66
St. Jude Medical
Condensed Cash Flow Statements, Captions [Line Items]
Investments in mutual funds held in a rabbi trust	317
Defined Benefit Plans
Condensed Cash Flow Statements, Captions [Line Items]
Pension contributions	$ 280	$ 282