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)		16
Issuance of common stock	9		9
Shares withheld related to net share settlement (in shares)		(7)
Shares withheld related to net share settlement and other	(1,362)		(951)		(411)
Share-based compensation	2,313		2,313
Share repurchases (in shares)		(9)
Share repurchases	(1,647)				(1,647)
Other comprehensive income	277			277
Net income	5,045				5,045
Balances at end of period (in shares) at Jun. 30, 2019		2,854
Balances at end of period at Jun. 30, 2019	88,762	$ 0	44,277	(483)	44,968
Balances at beginning of period (in shares) at Mar. 31, 2019		2,856
Balances at beginning of period at Mar. 31, 2019	86,516	$ 0	43,533	(781)	43,764
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)		(4)
Shares withheld related to net share settlement and other	(850)		(563)		(287)
Share-based compensation	1,303		1,303
Share repurchases (in shares)		(6)
Share repurchases	(1,125)				(1,125)
Other comprehensive income	298			298
Net income	2,616				2,616
Balances at end of period (in shares) at Jun. 30, 2019		2,854
Balances at end of period at Jun. 30, 2019	88,762	$ 0	44,277	(483)	44,968
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)		18
Issuance of common stock	0		0
Shares withheld related to net share settlement (in shares)		(7)
Shares withheld related to net share settlement and other	(1,444)		(1,076)		(368)
Share-based compensation	$ 3,030		3,030
Share repurchases (in shares)	(13)	(13)
Share repurchases	$ (2,621)				(2,621)
Other comprehensive income	347			347
Net income	10,081				10,081
Balances at end of period (in shares) at Jun. 30, 2020		2,850
Balances at end of period at Jun. 30, 2020	110,447	$ 0	47,805	(142)	62,784
Balances at beginning of period (in shares) at Mar. 31, 2020		2,851
Balances at beginning of period at Mar. 31, 2020	105,304	$ 0	46,688	(544)	59,160
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		10
Issuance of common stock			0
Shares withheld related to net share settlement (in shares)		(4)
Shares withheld related to net share settlement and other	(753)		(578)		(175)
Share-based compensation	1,695		1,695
Share repurchases (in shares)		(7)
Share repurchases	(1,379)				(1,379)
Other comprehensive income	402			402
Net income	5,178				5,178
Balances at end of period (in shares) at Jun. 30, 2020		2,850
Balances at end of period at Jun. 30, 2020	$ 110,447	$ 0	$ 47,805	$ (142)	$ 62,784