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, 2021		126.2						1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2021						(19.4)
Beginning 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)		1.6
Issuance of Common Stock for equity awards granted under long-term incentive plans	593.7		593.7
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		(0.2)
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(105.8)		(105.8)
Issuance/distribution of Common Stock for 401(k) Savings Plan	14.5		12.8			$ 1.7
Repurchases of Common Stock (in shares)						(0.5)
Repurchases of Common Stock	(352.0)					$ (352.0)
Stock-based compensation charges	165.9		165.9
Net income	973.5			973.5
Other comprehensive income (loss), net of tax	(143.9)				(143.9)
Ending Balance (in shares) at Mar. 31, 2022		127.6						1.8
Ending Balance, treasury (in shares) at Mar. 31, 2022						(19.9)
Ending Balance at Mar. 31, 2022	19,914.7	$ 0.1	8,754.1	19,941.8	(170.1)	$ (8,611.2)		$ 0.0
Beginning Balance (in shares) at Dec. 31, 2021		126.2						1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2021						(19.4)
Beginning 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]
Net income	1,825.6
Ending Balance (in shares) at Jun. 30, 2022		128.3						1.8
Ending Balance, treasury (in shares) at Jun. 30, 2022						(20.6)
Ending Balance at Jun. 30, 2022	20,687.8	$ 0.1	9,120.2	20,793.9	(223.8)	$ (9,002.6)		$ 0.0
Beginning Balance (in shares) at Mar. 31, 2022		127.6						1.8
Beginning Balance, treasury (in shares) at Mar. 31, 2022						(19.9)
Beginning Balance at Mar. 31, 2022	19,914.7	$ 0.1	8,754.1	19,941.8	(170.1)	$ (8,611.2)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		0.8
Issuance of Common Stock for equity awards granted under long-term incentive plans	228.0		228.0
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	(41.9)		(41.9)
Issuance/distribution of Common Stock for 401(k) Savings Plan	16.2		14.0			$ 2.2
Repurchases of Common Stock (in shares)						(0.7)
Repurchases of Common Stock	(393.6)					$ (393.6)
Stock-based compensation charges	166.0		166.0
Net income	852.1			852.1
Other comprehensive income (loss), net of tax	(53.7)				(53.7)
Ending Balance (in shares) at Jun. 30, 2022		128.3						1.8
Ending Balance, treasury (in shares) at Jun. 30, 2022						(20.6)
Ending Balance at Jun. 30, 2022	$ 20,687.8	$ 0.1	9,120.2	20,793.9	(223.8)	$ (9,002.6)		$ 0.0
Beginning Balance (in shares) at Dec. 31, 2022		130.4					1.8	1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2022	(22.6)					(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, 2022		130.4					1.8	1.8
Beginning Balance, treasury (in shares) at Dec. 31, 2022	(22.6)					(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]
Net income	$ 1,786.2
Ending Balance (in shares) at Jun. 30, 2023		131.6					1.8	1.8
Ending Balance, treasury (in shares) at Jun. 30, 2023	(24.5)					(24.5)
Ending Balance at Jun. 30, 2023	$ 24,017.9	$ 0.1	10,888.5	25,092.9	(197.7)	$ (11,765.9)		$ 0.0
Beginning Balance (in shares) at Mar. 31, 2023		131.4						1.8
Beginning Balance, treasury (in shares) at Mar. 31, 2023						(23.5)
Beginning Balance at Mar. 31, 2023	23,495.2	$ 0.1	10,597.7	24,124.5	(181.6)	$ (11,045.5)		$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Common Stock for equity awards granted under long-term incentive plans (in shares)		0.2
Issuance of Common Stock for equity awards granted under long-term incentive plans	80.7		80.7
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations (in shares)		0.0
Common Stock tendered upon exercise of stock options and vesting of restricted stock for employee tax obligations	(14.0)		(14.0)
Issuance/distribution of Common Stock for 401(k) Savings Plan	18.5		16.1			$ 2.4
Repurchases of Common Stock (in shares)						(1.0)
Repurchases of Common Stock	(722.8)					$ (722.8)
Stock-based compensation charges	208.0		208.0
Net income	968.4			968.4
Other comprehensive income (loss), net of tax	$ (16.1)				(16.1)
Ending Balance (in shares) at Jun. 30, 2023		131.6					1.8	1.8
Ending Balance, treasury (in shares) at Jun. 30, 2023	(24.5)					(24.5)
Ending Balance at Jun. 30, 2023	$ 24,017.9	$ 0.1	$ 10,888.5	$ 25,092.9	$ (197.7)	$ (11,765.9)		$ 0.0