Consolidated Balance Sheet (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Treasury Stock, Shares	409,000,000	395,000,000
Class A Common Stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, authorized shares	3,000,000,000	3,000,000,000
Common stock, issued	1,396,000,000	1,391,000,000
Common stock, outstanding	987,000,000	996,000,000
Class B Common Stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, authorized shares	1,200,000,000	1,200,000,000
Common stock, issued	8,000,000	11,000,000
Common stock, outstanding	8,000,000	11,000,000