Basis of Presentation (Details Textuals) - USD ($) $ in Millions		3 Months Ended
	Jan. 01, 2021	Mar. 31, 2021	Mar. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax provision		$ 758	$ 85
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2014-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax provision	$ 55