Equity (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2021	Jul. 31, 2021
Class of Stock [Line Items]
Authorized amount of share repurchases		$ 1,400.0
Minimum repurchase percentage		10.00%
Remaining authorized for share repurchases	$ 378.7
Class A
Class of Stock [Line Items]
Stock repurchased (in shares)	5,845,800
Average price paid per share (in dollars per share)	$ 27.11
Class C
Class of Stock [Line Items]
Stock repurchased (in shares)	32,700,700
Average price paid per share (in dollars per share)	$ 26.55
Aggregate purchase price	$ 1,026.8