Stockholders' Equity (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Jul. 22, 2025	Dec. 31, 2024
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	10,000,000				10,000,000		10,000,000
Stockholders' equity	$ 13,401,600,000	$ 12,987,300,000	$ 12,866,500,000	$ 12,878,500,000	$ 13,401,600,000	$ 12,866,500,000	$ 12,957,900,000		$ 12,788,400,000
Shares issued (in shares)	245,200,000				245,200,000
Common stock, outstanding (in shares)	182,955,653				182,955,653		186,337,588
Share repurchase program, amount authorized								$ 2,500,000,000
Stock repurchase, shares (in shares)	2,129,047		3,374,980		4,617,195	5,991,218
Stock repurchase, aggregate cost	$ 350,600,000	358,900,000	$ 339,400,000	287,200,000	$ 709,500,000	$ 626,600,000
Share-based payment arrangement, shares withheld for tax withholding obligation (in shares)	4,861		10,622		456,475	421,754
Average price paid per share for common stock repurchased (in usd per share)	$ 164.65		$ 100.57		$ 153.66	$ 104.59
Preferred Stock
Class of Stock [Line Items]
Stockholders' equity	$ 884,900,000	$ 884,900,000	$ 884,900,000	$ 884,900,000	$ 884,900,000	$ 884,900,000	$ 884,900,000		$ 884,900,000
Series D Preferred Stock, Depositary Shares
Class of Stock [Line Items]
Preferred stock, outstanding (in shares)	500,000				500,000
Preferred stock, shares issued (in shares)	500,000				500,000
Percentage of ownership interest per each depository shares	1.00%				1.00%
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	5,000				5,000		5,000
Preferred stock, outstanding (in shares)	5,000				5,000		5,000
Preferred stock, without par value (in dollars per share)	$ 0				$ 0
Preferred stock, liquidation preference	$ 100,000				$ 100,000
Depository shares, liquidation preference per share (in dollars per share)	$ 1,000				$ 1,000
Preferred stock, annual dividend rate					4.60%
Preferred stock, dividend payment rate, variable rate					3.202%
Series D Preferred Stock | Preferred Stock
Class of Stock [Line Items]
Stockholders' equity	$ 493,500,000				$ 493,500,000		$ 493,500,000
Series E Preferred Stock Depositary Shares
Class of Stock [Line Items]
Preferred stock, outstanding (in shares)	16,000,000				16,000,000
Preferred stock, shares issued (in shares)	16,000,000				16,000,000
Series E Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	16,000				16,000		16,000
Preferred stock, outstanding (in shares)	16,000				16,000		16,000
Percentage of ownership interest per each depository shares	0.10%				0.10%
Preferred stock, without par value (in dollars per share)	$ 0				$ 0
Preferred stock, liquidation preference	$ 25,000				$ 25,000
Depository shares, liquidation preference per share (in dollars per share)	$ 25				$ 25
Preferred stock, annual dividend rate					4.70%
Preferred stock, dividends declared (in usd per share)	$ 293.75
Series E Preferred Stock | Preferred Stock
Class of Stock [Line Items]
Stockholders' equity	$ 391,400,000				$ 391,400,000		$ 391,400,000