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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Equity Plans and Share Repurchase Program - Employee Stock Options (Details) - Stock options - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Number of Shares
Balance - Beginning (in shares)			7.4
Granted (in shares)			0.7
Forfeited (in shares)			(0.1)
Exercised (in shares)			(1.9)
Balance - Ending (in shares)	6.1		6.1		7.4
Weighted- Average Exercise Price
Balance - Beginning (in dollars per share)			$ 49.39
Granted (in dollars per share)			84.15
Forfeited (in dollars per share)			86.18
Exercised (in dollars per share)			33.27
Balance - Ending (in dollars per share)	$ 57.46		$ 57.46		$ 49.39
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding, Weighted average remaining contractual life (in years)					3 years
Options outstanding, Aggregate intrinsic value					$ 241.7
Options vested and expected to vest, Outstanding (in shares)	6.1		6.1
Options vested and expected to vest, Weighted average exercise price (in dollars per share)	$ 57.46		$ 57.46
Options vested and expected to vest, Weighted average remaining contractual life (in years)			3 years 3 months 18 days
Options vested and expected to vest, Aggregate intrinsic value	$ 583.3		$ 583.3
Options exercisable, Outstanding (in shares)	4.3		4.3
Options exercisable, Weighted average exercise price (in dollars per share)	$ 46.98		$ 46.98
Options exercisable, Weighted average remaining contractual life (in years)			2 years 3 months 18 days
Options exercisable, Aggregate intrinsic value	$ 461.4		$ 461.4
Compensation cost not yet recognized	$ 56.4		$ 56.4
Compensation cost not yet recognized period of recognition			2 years 9 months 18 days
Weighted-average fair value per share granted	$ 57.26	$ 41.05	$ 34.93	$ 43.83
Intrinsic value of options exercised	$ 91.8	$ 28.9	$ 139.6	$ 131.2
Fair value of options vested	$ 5.8	$ 5.5	$ 16.7	$ 15.0