Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective tax rate from continuing operations	18.40%	(5.90%)	13.70%	4.00%
Unrecognized Tax Benefits	$ 383		$ 383		$ 455
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	283		283		$ 355
Decrease in Unrecognized Tax Benefits is Reasonably Possible	98		98
The CARES Act	$ 2,200,000		$ 2,200,000