Restructuring Plans - Diagnostic Products segment (Details) - COVID-19 Test Manufacturing Network Restructuring Plan - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021
Restructuring costs
Restructuring charges	$ 499	$ 480
Payments		(54)
Other non-cash		(328)
Restructuring reserve		98
Inventory sold that was previously estimated to have no net realizable value		120
Inventory-related charges
Restructuring costs
Restructuring charges	248	248
Other non-cash		(248)
Fixed asset write-downs
Restructuring costs
Restructuring charges	80	80
Other non-cash		(80)
Other exit costs
Restructuring costs
Restructuring charges	$ 171	152
Payments		(54)
Restructuring reserve		98
Reduction of restructuring estimate		$ 19