Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective tax rate from continuing operations	52.30%	7.10%
Unrecognized Tax Benefits	$ 449		$ 455
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	350		$ 355
Decrease in Unrecognized Tax Benefits is Reasonably Possible	98
The CARES Act	$ 2,200,000