v3.24.4
Investments (Schedule of Amortized Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Summary of Investment Holdings [Line Items]    
Debt Securities, available-for-sale, amortized cost [1] $ 13,451 $ 12,167
Available-for-sale investment securities, gross unrealized gains [1] 52 21
Available-for-sale investment securities, gross unrealized losses [1] (101) (201)
Available-for-sale investment securities, fair value [1] 13,402 11,987
Debt Securities, Held-to-maturity [2] 253 221
Held-to-maturity investment securities, gross unrealized gains [2] 0 0
Held-to-maturity investment securities, gross unrealized losses [2] (19) (22)
Held-to-maturity investment securities [2] 234 199
US Treasury and Government    
Summary of Investment Holdings [Line Items]    
Debt Securities, available-for-sale, amortized cost [1] 12,971 11,580
Available-for-sale investment securities, gross unrealized gains [1] 52 21
Available-for-sale investment securities, gross unrealized losses [1] (86) (178)
Available-for-sale investment securities, fair value [1] 12,937 11,423
Residential Mortgage Backed Securities - Agency [Member]    
Summary of Investment Holdings [Line Items]    
Debt Securities, available-for-sale, amortized cost [1] 480 [3] 587
Available-for-sale investment securities, gross unrealized gains [1] 0 0
Available-for-sale investment securities, gross unrealized losses [1] (15) (23)
Available-for-sale investment securities, fair value [1] 465 [3] 564
Debt Securities, Held-to-maturity [2],[4] 253 [3] 221
Held-to-maturity investment securities, gross unrealized gains [2],[4] 0 0
Held-to-maturity investment securities, gross unrealized losses [2],[4] (19) (22)
Held-to-maturity investment securities [2],[4] $ 234 [3] $ 199
[1] Available-for-sale investment securities are reported at fair value.
[2] Held-to-maturity investment securities are reported at amortized cost.
[3] Maturities of RMBS are reflective of the contractual maturities of the investment.
[4] Amounts represent residential mortgage-backed securities (“RMBS”) that were classified as held-to-maturity as they were entered into as a part of the Company’s community reinvestment initiatives.