Restructuring Actions (Details) $ in Millions	3 Months Ended						9 Months Ended		15 Months Ended
	Dec. 31, 2020 USD ($) person	Jun. 30, 2020 USD ($) person	Dec. 31, 2019 USD ($) person	Jun. 30, 2019 USD ($) person	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($) person	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2021 USD ($) person
Restructuring Cost and Reserve
Restructuring charges		$ 46
2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person	2,100
Restructuring charges	$ 137
2020 Restructuring Actions | Operational/Marketing Capability Restructuring | Minimum
Restructuring Cost and Reserve
Pre-tax charge related to exit activities									$ 250
2020 Restructuring Actions | Operational/Marketing Capability Restructuring | Maximum
Restructuring Cost and Reserve
Pre-tax charge related to exit activities									$ 300
2020 Restructuring Actions | Operational/Marketing Capability Restructuring | Forecast
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person									2,900
2020 Restructuring Actions | Drug delivery business
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person		1,300
Restructuring charges		$ 55
2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	101
2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	36
2020 Restructuring Actions | Cost of sales | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	51
2020 Restructuring Actions | Cost of sales | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges		42
2020 Restructuring Actions | Selling, general and administrative expenses | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	79
2020 Restructuring Actions | Selling, general and administrative expenses | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges		12
2020 Restructuring Actions | Research, development and related expenses | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	7
2020 Restructuring Actions | Research, development and related expenses | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges		$ 1
2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person		400
Restructuring charges		$ 58
2020 Restructuring Actions | Other Restructuring | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		35
2020 Restructuring Actions | Other Restructuring | Asset-Related and Other
Restructuring Cost and Reserve
Restructuring charges		23
2020 Restructuring Actions | Other Restructuring | Cost of sales
Restructuring Cost and Reserve
Restructuring charges		13
2020 Restructuring Actions | Other Restructuring | Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges		37
2020 Restructuring Actions | Other Restructuring | Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges		8
2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person			1,500	2,000
Restructuring charges			$ 134	$ 148			$ 246
Total income before income taxes impact							282
2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							206
2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges							40
2019 Restructuring Actions | Cost of sales
Restructuring Cost and Reserve
Restructuring charges							72
2019 Restructuring Actions | Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges							137
2019 Restructuring Actions | Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges							37
2019 Restructuring Actions | Other expense (income), net
Restructuring Cost and Reserve
Restructuring charges							36
2018 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person						1,200
Restructuring charges					$ 22	$ 105		$ 137
Adjustments for reductions in cost estimates					$ 10
2018 Restructuring Actions | Cost of sales
Restructuring Cost and Reserve
Restructuring charges								27
2018 Restructuring Actions | Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges								105
2018 Restructuring Actions | Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges								$ 5
Corporate and Unallocated | 2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	29
Corporate and Unallocated | 2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	16
Corporate and Unallocated | 2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	13
Corporate and Unallocated | 2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges		23
Corporate and Unallocated | 2020 Restructuring Actions | Other Restructuring | Asset-Related and Other
Restructuring Cost and Reserve
Restructuring charges		23
Corporate and Unallocated | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges							140
Corporate and Unallocated | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							100
Corporate and Unallocated | 2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges							40
Safety and Industrial | 2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	43
Safety and Industrial | 2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	36
Safety and Industrial | 2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	7
Safety and Industrial | 2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges		7
Safety and Industrial | 2020 Restructuring Actions | Other Restructuring | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		7
Safety and Industrial | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges							50
Safety and Industrial | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							50
Transportation and Electronics | 2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	28
Transportation and Electronics | 2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	16
Transportation and Electronics | 2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	12
Transportation and Electronics | 2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges		11
Transportation and Electronics | 2020 Restructuring Actions | Other Restructuring | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		11
Transportation and Electronics | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges							31
Transportation and Electronics | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							31
Health Care | 2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	26
Health Care | 2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	23
Health Care | 2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	3
Health Care | 2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges		12
Health Care | 2020 Restructuring Actions | Other Restructuring | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		12
Health Care | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges							17
Health Care | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							17
Consumer | 2020 Restructuring Actions | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	11
Consumer | 2020 Restructuring Actions | Employee-Related | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	10
Consumer | 2020 Restructuring Actions | Asset-Related and Other | Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring charges	$ 1
Consumer | 2020 Restructuring Actions | Other Restructuring
Restructuring Cost and Reserve
Restructuring charges		5
Consumer | 2020 Restructuring Actions | Other Restructuring | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		$ 5
Consumer | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges							8
Consumer | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges							$ 8