Basis of Presentation & Description of Business (Details) $ / shares in Units, $ in Millions								3 Months Ended
	Jan. 25, 2024 USD ($) $ / shares shares	Jan. 10, 2024 USD ($) $ / shares shares	Dec. 11, 2023 USD ($) $ / shares shares	Nov. 09, 2023 USD ($) $ / shares shares	Sep. 19, 2023 USD ($) $ / shares shares	Jun. 12, 2023 USD ($) $ / shares shares	Apr. 14, 2023 USD ($) $ / shares shares	Apr. 30, 2023 USD ($)	Apr. 28, 2024 state branch_location shares
Class of Stock and Other Items [Line Items]
Number of branch locations | branch_location									350
Number of states with branches | state									49
Stock repurchased and retired (in shares)	5,000,000	5,000,000	5,000,000	5,000,000	5,000,000	5,000,000	15,000,000
Total Consideration Paid (in millions) | $	$ 205	$ 191	$ 178	$ 152	$ 145	$ 141	$ 332	$ 332
Partnership Interests held (in units)									192,634,317
Class A Common Stock
Class of Stock and Other Items [Line Items]
Stock repurchased and retired (in shares)	3,125,728	3,125,728	3,125,728	3,125,728	3,125,728	3,125,728	9,377,183
Public ownership interest (in shares)									192,633,594
Class B Common Stock
Class of Stock and Other Items [Line Items]
Stock repurchased and retired (in shares)	1,874,272	1,874,272	1,874,272	1,874,272	1,874,272	1,874,272	5,622,817
Secondary Offering | Class A Common Stock
Class of Stock and Other Items [Line Items]
Shares issued in exchange for Partnership Interests (in shares)	7,415,404	7,465,098	6,466,240	8,190,569	6,747,380	5,247,962	1,874,272
Continuing Limited Partners
Class of Stock and Other Items [Line Items]
Partnership Interests held (in units)									8,813,532
Continuing Limited Partners | Class A Common Stock
Class of Stock and Other Items [Line Items]
Ownership interest (in shares)									723
Continuing Limited Partners | Class B Common Stock
Class of Stock and Other Items [Line Items]
Ownership interest (in shares)									8,813,532
Selling Stockholders | Secondary Offering
Class of Stock and Other Items [Line Items]
Stock offering price (in dollars per share) | $ / shares	$ 40.985	$ 38.120	$ 35.540	$ 30.440	$ 29.015	$ 28.215	$ 22.151
Selling Stockholders | Secondary Offering | Class A Common Stock
Class of Stock and Other Items [Line Items]
Existing shares sold (in shares)	12,366,683	12,084,902	10,783,760	13,659,431	11,252,620	8,752,038	3,125,728
Number of shares issued (in share)	19,782,087	19,550,000	17,250,000	21,850,000	18,000,000	14,000,000	5,000,000
Stock offering price (in dollars per share) | $ / shares	$ 40.985	$ 38.120	$ 35.540	$ 30.440	$ 29.015	$ 28.215	$ 22.151