Supplemental Income Statement Information - Scheduleof Disaggregated Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Consolidated revenues	$ 42,879	$ 42,857	$ 44,915
North America
Disaggregation of Revenue [Line Items]
Consolidated revenues	22,504	22,764	24,594
Europe
Disaggregation of Revenue [Line Items]
Consolidated revenues	10,857	10,741	10,762
Asia-Pacific
Disaggregation of Revenue [Line Items]
Consolidated revenues	7,956	7,873	8,115
Other regions
Disaggregation of Revenue [Line Items]
Consolidated revenues	1,561	1,479	1,444
Consumables
Disaggregation of Revenue [Line Items]
Consolidated revenues	17,587	17,597	20,624
Instruments
Disaggregation of Revenue [Line Items]
Consolidated revenues	7,446	7,646	7,924
Services
Disaggregation of Revenue [Line Items]
Consolidated revenues	$ 17,845	$ 17,614	$ 16,367