Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020		Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Exit costs	[1]	$ 2	$ 0
Total Restructuring charges and certain acquisition-related costs		9	9
Restructuring Reserve [Roll Forward]
Restructuring accrual balance	[2],[3]	21
Provision		6
Utilization and other	[3],[4]	(5)
Restructuring accrual balance	[2],[3]	22
Other current liabilities
Restructuring Reserve [Roll Forward]
Accrued expenses		6
Other noncurrent liabilities
Restructuring Reserve [Roll Forward]
Other noncurrent liabilities		16			$ 15
Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Employee termination costs	[1]	4	3
Direct Cost
Restructuring Cost and Reserve [Line Items]
Integration costs		$ 3	$ 6	[5]

[1] The restructuring charges for the three months ended March 31, 2021 primarily relate to employee termination and exit costs associated with cost-reduction and productivity initiatives and CEO transition-related costs.The restructuring charges for the three months ended March 31, 2020 primarily relate to CEO transition-related costs which are associated with Manufacturing/research/corporate.

[2] At March 31, 2021, and December 31, 2020, included in Accrued expenses ($6 million) and Other noncurrent liabilities ($16 million and $15 million, respectively).

[3] Changes in our restructuring accrual represents employee termination and exit costs.

[4] Includes adjustments for foreign currency translation.

[5] Integration costs represent external, incremental costs directly related to integrating acquired businesses and primarily include expenditures for consulting and the integration of systems and processes, as well as product transfer costs.