Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2021		Sep. 30, 2020		Sep. 30, 2021	Sep. 30, 2020		Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Asset write-offs and asset impairments						$ 19	$ 12
Exit costs	[1]	$ 1		$ 0		3	0
Total Restructuring charges and certain acquisition-related costs		9		5		39	22
Restructuring Reserve [Roll Forward]
Restructuring accrual balance	[2],[3]					21
Provision						33
Restructuring Reserve, Settled without Cash						(13)
Utilization and other	[3],[4]					(14)
Restructuring accrual balance	[2],[3]	27				27
Other current liabilities
Restructuring Reserve [Roll Forward]
Accrued expenses		12				12			$ 6
Other noncurrent liabilities
Restructuring Reserve [Roll Forward]
Other noncurrent liabilities		15				15
Employee Termination Costs
Restructuring Cost and Reserve [Line Items]
Severance Costs	[1]	7		2		17	7
Facility Closing
Restructuring Cost and Reserve [Line Items]
Asset write-offs and asset impairments		0		0		13	0
Direct Cost
Restructuring Cost and Reserve [Line Items]
Integration costs		$ 1	[5]	$ 3	[5]	$ 6	$ 15	[5]

[1] The restructuring charges for the three months ended September 30, 2021 primarily represents employee termination costs associated with the realignment of our international operations. The restructuring charges for the nine months ended September 30, 2021 primarily represents employee termination costs associated with our international operations and other costs associated with cost-reduction and productivity initiatives, as well as asset impairment charges related to the consolidation of manufacturing sites in China.The restructuring charges for the three months ended September 30, 2020 primarily relate to other cost-reduction and productivity initiatives which are associated with Manufacturing/research/corporate. The restructuring charges for the nine months ended September 30, 2020 primarily relate to CEO transition-related costs and other cost-reduction and productivity initiatives which are associated with Manufacturing/research/corporate.

[2] At September 30, 2021 and December 31, 2020, included in Accrued expenses ($12 million and $6 million, respectively) and Other noncurrent liabilities ($15 million).

[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.