CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - 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, 2022		130.4						1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2022						(22.6)
Beginning 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)		1.1
Issuance of Common Stock for equity awards granted under long-term incentive plans	491.3		491.3
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(0.1)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(99.2)		(99.2)
Issuance/distribution of Common Stock for 401(k) Savings Plan	20.6		18.9			$ 1.7
Repurchases of Common Stock (in shares)						(0.9)
Repurchases of Common Stock	(693.9)					$ (693.9)
Stock-based compensation charges	237.4		237.4
Net income	817.8			817.8
Other comprehensive income (loss), net of tax	57.2				57.2
Ending Balance (in shares) at Mar. 31, 2023		131.4						1.8
Ending Balance, treasury (in shares) at Mar. 31, 2023						(23.5)
Ending Balance at Mar. 31, 2023	$ 23,495.2	$ 0.1	10,597.7	24,124.5	(181.6)	$ (11,045.5)		$ 0.0
Beginning Balance (in shares) at Dec. 31, 2023		133.1					1.8	1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2023	(25.5)					(25.5)
Beginning Balance at Dec. 31, 2023	$ 25,973.1	$ 0.1	11,354.0	27,260.3	(80.9)	$ (12,560.4)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		1.5
Issuance of Common Stock for equity awards granted under long-term incentive plans	672.4		672.4
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(0.4)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(335.9)		(335.9)
Issuance/distribution of Common Stock for 401(k) Savings Plan	20.5		18.8			$ 1.7
Repurchases of Common Stock (in shares)						(0.3)
Repurchases of Common Stock	(298.0)					$ (298.0)
Stock-based compensation charges	233.3		233.3
Net income	722.0			722.0
Other comprehensive income (loss), net of tax	$ 3.7				3.7
Ending Balance (in shares) at Mar. 31, 2024		134.2					1.8	1.8
Ending Balance, treasury (in shares) at Mar. 31, 2024	(25.8)					(25.8)
Ending Balance at Mar. 31, 2024	$ 26,991.1	$ 0.1	$ 11,942.6	$ 27,982.3	$ (77.2)	$ (12,856.7)		$ 0.0