XML 31 R21.htm IDEA: XBRL DOCUMENT v3.22.2.2
Summary of Significant Accounting Policies - Retained Earnings (Details)
$ in Millions
Sep. 30, 2022
USD ($)
Retained Earnings (Accumulated Deficit) [Abstract]  
Cumulative share repurchases $ 2,100.0
Cumulative dividends $ 902.0