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Short-Term Borrowings - Overnight Maturity (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Securities Sold  
Short-term Debt [Line Items]  
Amortized cost of overnight maturity $ 986
Fair value of overnight maturity 963
Repurchase Agreements  
Short-term Debt [Line Items]  
Amortized cost of overnight maturity $ 1,173