Basis of Presentation (Details Textuals) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jan. 01, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax provision		$ 660	$ 365	$ 1,418	$ 450
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