XML 101 R90.htm IDEA: XBRL DOCUMENT v3.23.1
Debt - Revolving Credit Facility (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Debt Disclosure [Abstract]    
Current borrowing capacity for line of credit facility $ 1,000  
Maximum borrowing capacity for line of credit facility 1,250  
Line of credit borrowings outstanding 0 $ 0
Outstanding letters of credit issued against line of credit facility 1 1
Line of Credit Facility    
Maximum borrowing capacity for line of credit facility 1,250  
Line of credit borrowings outstanding 0 0
American Enterprise Investment Services, Incorporated    
Debt Disclosure [Abstract]    
Maximum borrowing capacity for line of credit facility 500  
Line of credit borrowings outstanding 0 0
Line of Credit Facility    
Maximum borrowing capacity for line of credit facility 500  
Line of credit borrowings outstanding $ 0 $ 0