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Short-Term Borrowings and Long-Term Debt (Narrative) (Details)
$ in Millions
Mar. 31, 2023
USD ($)
Rate
Debt Instrument [Line Items]  
Commercial Paper | $ $ 8,200
Commercial Paper [Member]  
Debt Instrument [Line Items]  
Short-term Debt, Weighted Average Interest Rate, at Point in Time | Rate 5.20%