Restructuring Other Related Charges (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Mark J. Servodidio [Member]
Restructuring Cost and Reserve [Line Items]
Other Nonrecurring Expense	$ 3
Larry D. De Shon [Member]
Restructuring Cost and Reserve [Line Items]
Other Related Cost, Expected Cost Remaining	2
Other Nonrecurring Expense	$ 12