CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Class A Stock	Class A Stock Common Stock
Beginning Balance (in shares) at Dec. 31, 2020		121.5						1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2020						(16.4)
Beginning Balance at Dec. 31, 2020	$ 11,025.3	$ 0.1	$ 6,716.2	$ 10,893.0	$ 29.3	$ (6,613.3)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		6.2
Issuance of Common Stock for equity awards granted under long-term incentive plans	1,676.0		1,676.0
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(1.5)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(944.6)		(944.6)
Issuance/distribution of Common Stock for 401(k) Savings Plan (in shares)						0.1
Issuance/distribution of Common Stock for 401(k) Savings Plan	48.1		40.7			$ 7.4
Repurchases of Common Stock (in shares)						(3.1)
Repurchases of Common Stock	(1,655.0)					$ (1,655.0)
Stock-based compensation charges	599.2		599.2
Net income	8,075.3			8,075.3
Other comprehensive income (loss), net of tax	(55.5)				(55.5)
Ending Balance (in shares) at Dec. 31, 2021		126.2						1.8
Beginning Ending, treasury (in shares) at Dec. 31, 2021						(19.4)
Ending Balance at Dec. 31, 2021	18,768.8	$ 0.1	8,087.5	18,968.3	(26.2)	$ (8,260.9)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		4.8
Issuance of Common Stock for equity awards granted under long-term incentive plans	1,517.4		1,517.4
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(0.6)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(445.7)		(445.7)
Issuance/distribution of Common Stock for 401(k) Savings Plan (in shares)						0.1
Issuance/distribution of Common Stock for 401(k) Savings Plan	59.7		52.3			$ 7.4
Repurchases of Common Stock (in shares)						(3.3)
Repurchases of Common Stock	(2,099.8)					$ (2,099.8)
Stock-based compensation charges	737.8		737.8
Net income	4,338.4			4,338.4
Other comprehensive income (loss), net of tax	$ (212.6)				(212.6)
Ending Balance (in shares) at Dec. 31, 2022		130.4					1.8	1.8
Beginning Ending, treasury (in shares) at Dec. 31, 2022	(22.6)					(22.6)
Ending Balance at Dec. 31, 2022	$ 22,664.0	$ 0.1	9,949.3	23,306.7	(238.8)	$ (10,353.3)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		3.5
Issuance of Common Stock for equity awards granted under long-term incentive plans	1,152.2		1,152.2
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(0.8)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(708.4)		(708.4)
Issuance/distribution of Common Stock for 401(k) Savings Plan (in shares)						0.1
Issuance/distribution of Common Stock for 401(k) Savings Plan	74.1		66.6			$ 7.5
Repurchases of Common Stock (in shares)						(3.0)
Repurchases of Common Stock	(2,214.6)					$ (2,214.6)
Stock-based compensation charges	894.3		894.3
Net income	3,953.6			3,953.6
Other comprehensive income (loss), net of tax	$ 157.9				157.9
Ending Balance (in shares) at Dec. 31, 2023		133.1					1.8	1.8
Beginning Ending, treasury (in shares) at Dec. 31, 2023	(25.5)					(25.5)
Ending Balance at Dec. 31, 2023	$ 25,973.1	$ 0.1	$ 11,354.0	$ 27,260.3	$ (80.9)	$ (12,560.4)		$ 0.0