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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Debt securities held to maturity, estimated fair value $ 762 $ 950
Debt Securities, Available-for-sale, Amortized Cost 31,814 28,263
Loans held for sale, at fair value $ 315 $ 783
Preferred Stock, Shares Authorized 10,000,000 10,000,000
Preferred Stock, Par Value Per Share (in dollars per share) $ 1.00 $ 1.00
Common Stock, Shares Authorized 3,000,000,000 3,000,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.01 $ 0.01
Common Stock, Shares, Issued 975,464,999 982,940,601
Treasury Stock, Shares 41,032,676 41,032,676
Noncumulative Preferred Stock [Member]    
Preferred Stock, Shares Issued 1,403,500 1,403,500