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Long-Term Debt (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Jan. 31, 2023
Mar. 31, 2023
Feb. 10, 2023
Jan. 06, 2023
Senior Debt $1.0 billion 4.368% September 2023        
Debt Instrument, Redemption [Line Items]        
Early Repayment of Senior Debt   $ 1,000    
Debt Instrument, Interest Rate, Stated Percentage     4.368%  
senior debt $1.0 billion January 2054        
Debt Instrument, Redemption [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage       5.25%
Debt Instrument, Face Amount       $ 1,000
Redemption Premium $ 11