CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Class A and Class B Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings
Balances at beginning of period (in shares) at Dec. 31, 2018		2,854
Balances at beginning of period at Dec. 31, 2018	$ 84,127	$ 0	$ 42,906	$ (760)	$ 41,981
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		8
Issuance of common stock	4		4
Shares withheld related to net share settlement (in shares)		(3)
Shares withheld related to net share settlement	(512)		(387)		(125)
Share-based compensation	1,010		1,010
Share repurchases (in shares)		(3)
Share repurchases	(521)				(521)
Other comprehensive loss	(21)			(21)
Net income	2,429				2,429
Balances at end of period (in shares) at Mar. 31, 2019		2,856
Balances at end of period at Mar. 31, 2019	86,516	$ 0	43,533	(781)	43,764
Balances at beginning of period (in shares) at Dec. 31, 2019		2,852
Balances at beginning of period at Dec. 31, 2019	101,054	$ 0	45,851	(489)	55,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		8
Issuance of common stock			0
Shares withheld related to net share settlement (in shares)		(3)
Shares withheld related to net share settlement	(690)		(498)		(192)
Share-based compensation	$ 1,335		1,335
Share repurchases (in shares)	(6)	(6)
Share repurchases	$ (1,242)				(1,242)
Other comprehensive loss	(55)			(55)
Net income	4,902				4,902
Balances at end of period (in shares) at Mar. 31, 2020		2,851
Balances at end of period at Mar. 31, 2020	$ 105,304	$ 0	$ 46,688	$ (544)	$ 59,160