Restructuring Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
2023 Restructuring Plan, Restructure Various Operations and Improve Efficiencies
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges	$ 144
Payments	65
Restructuring liability	79
Fixed assets impairment charges	31
2023 Restructuring Plan, Restructure Various Operations and Improve Efficiencies | Cost of products sold
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges	56
2023 Restructuring Plan, Restructure Various Operations and Improve Efficiencies | Research and development
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges	22
2023 Restructuring Plan, Restructure Various Operations and Improve Efficiencies | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges	66
2022 Restructuring Plan, Streamline Operations and Improve Efficiencies
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges		$ 234
Payments	170	6
Restructuring liability	58	228
Fixed assets impairment charges		4
Inventory related charges		23
2022 Restructuring Plan, Streamline Operations and Improve Efficiencies | Cost of products sold
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges		59
2022 Restructuring Plan, Streamline Operations and Improve Efficiencies | Research and development
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges		36
2022 Restructuring Plan, Streamline Operations and Improve Efficiencies | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges		139
COVID-19 Test Manufacturing Network Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Payments	13	10	$ 90
Restructuring liability	0	$ 13	23
Restructuring charges			441
2021 Restructuring Plan, Streamline Operations and Improve Efficiencies
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges			68
Restructuring liability	$ 0
2021 Restructuring Plan, Streamline Operations and Improve Efficiencies | Cost of products sold
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges			16
2021 Restructuring Plan, Streamline Operations and Improve Efficiencies | Research and development
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges			4
2021 Restructuring Plan, Streamline Operations and Improve Efficiencies | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Employee related severance and other charges			$ 48