Restructuring Charges Future Restructuring (Details) - Scenario, Forecast [Member] $ in Millions	Feb. 28, 2021 USD ($)
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Costs, Expected Savings	$ 12
Restructuring and Related Cost, Expected Cost	15
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Costs, Expected Savings	15
Restructuring and Related Cost, Expected Cost	$ 20