Restructuring Actions (Details) $ in Millions	3 Months Ended
	Jun. 30, 2020 USD ($) person	Jun. 30, 2019 USD ($) person
2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person	400
Restructuring charges	$ 58
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 | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	35
2020 Restructuring Actions | Asset-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
2020 Restructuring Actions | Cost of sales | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	13
2020 Restructuring Actions | Cost of sales | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges	42
2020 Restructuring Actions | Selling, general and administrative expenses | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	37
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 | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	8
2020 Restructuring Actions | Research, development and related expenses | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges	1
2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person		2,000
Restructuring charges		$ 112
Total income before income taxes impact		148
2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		72
2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges		40
2019 Restructuring Actions | Cost of sales
Restructuring Cost and Reserve
Restructuring charges		18
2019 Restructuring Actions | Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges		89
2019 Restructuring Actions | Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges		5
2019 Restructuring Actions | Other expense (income), net
Restructuring Cost and Reserve
Restructuring charges		36
Corporate and Unallocated | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
Corporate and Unallocated | 2020 Restructuring Actions | Asset-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
Corporate and Unallocated | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		82
Corporate and Unallocated | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		42
Corporate and Unallocated | 2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges		40
Safety and Industrial | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	7
Safety and Industrial | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	7
Safety and Industrial | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		11
Safety and Industrial | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		11
Transportation and Electronics | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	11
Transportation and Electronics | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	11
Transportation and Electronics | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		8
Transportation and Electronics | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		8
Health Care | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	12
Health Care | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	12
Health Care | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		6
Health Care | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		6
Consumer | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	5
Consumer | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	$ 5
Consumer | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		5
Consumer | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		$ 5