Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Realignment Program [Member]
Accrued Restructuring Costs
Restructuring costs incurred	$ 12	$ 32
2020 Fit for Growth [Member]
Accrued Restructuring Costs
Restructuring costs incurred	$ 59	$ 94