Restructuring Actions and Exit Activities (Details) - 2018 Restructuring Actions $ in Millions	3 Months Ended
	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($) individual
Restructuring Cost and Reserve
Restructuring charges	$ 32	$ 105
Pre-tax charge related to exit activities	22
Adjustments for reductions in cost estimates	10
Cost of sales
Restructuring Cost and Reserve
Restructuring charges	15	12
Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges	16	89
Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges	$ 1	$ 4
Corporate and Unallocated
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | individual		1,200
Restructuring charges		$ 105