XML 142 R125.htm IDEA: XBRL DOCUMENT v3.23.1
SHORT-TERM AND LONG-TERM DEBT - Short-term Debt Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Apr. 20, 2018
Revolving Credit Facility      
Short-term Debt [Line Items]      
Line of credit facility, maximum borrowing capacity $ 17,000,000    
Commercial Paper | AB Commercial Paper      
Short-term Debt [Line Items]      
Short-term debt including accrued interest 0 $ 0  
Average outstanding balance $ 190,000,000 $ 157,000,000  
Weighted average interest rate over period 1.50% 0.20%  
Line of Credit | AB Revolving Credit Facility | Revolving Credit Facility      
Short-term Debt [Line Items]      
Line of credit facility, maximum borrowing capacity $ 200,000,000    
Average outstanding amount   $ 13,000,000  
Interest rate   1.10%  
Senior Notes | Senior Notes (3.9%, due 2023)      
Short-term Debt [Line Items]      
Short-term debt including accrued interest     $ 800,000,000
Debt instrument, stated percentage   3.90%  
Repayments of short-term debt   $ 280,000,000  
Senior Notes | Senior Notes (4.35%, due 2028)      
Short-term Debt [Line Items]      
Debt instrument, stated percentage     4.35%
Debt instrument, face amount     $ 1,500,000,000
Senior Notes | Senior Notes (5.00%, due 2048)      
Short-term Debt [Line Items]      
Debt instrument, stated percentage     5.00%
Debt instrument, face amount     $ 1,500,000,000