Stockholders' Equity (Details) - USD ($)	3 Months Ended	104 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Aug. 01, 2018	Apr. 29, 2015	Apr. 29, 2013
Equity [Abstract]
Share repurchase program authorized amount			$ 500,000,000	$ 500,000,000	$ 500,000,000
Repurchased shares (in shares)	0	73,800,000
Shares repurchased value		$ 1,238,800,000
Shares available for future repurchases amount	$ 261,200,000	$ 261,200,000