Revenue - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($) segment	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($) segment
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Number of reportable segments | segment	4	4	4	4
Net sales	$ 10,377	$ 9,978	$ 20,341	$ 19,725
Diagnostics
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	4,800		4,800
Diagnostics | COVID-19 Testing
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Net sales	102	$ 263	306	$ 993
Medical Devices
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 493		$ 493
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of remaining performance obligation expected to be recognized in period			60.00%
Expected timing of satisfaction period (in months)	24 months		24 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Percentage of remaining performance obligation expected to be recognized in period			17.00%
Expected timing of satisfaction period (in months)	12 months		12 months