Investment Securities (Details 2) $ in Millions	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Available-for-sale investment securities with gross unrealized losses
Number of Securities, Less than 12 months \| security	88	5
Number of Securities, 12 months or more \| security	3	0
Number of Securities, Total \| security	91	5
Available-for-sale investment securities with gross unrealized losses and length of time
Estimated Fair Value, Less than 12 months	$ 4,311	$ 477
Estimated Fair Value, 12 months or more	52	0
Estimated Fair Value, Total	4,363	477
Available-for-sale investment securities with gross unrealized losses
Gross Unrealized Losses, Less than 12 months	(83)	(1)
Gross Unrealized Losses, 12 months or more	(1)	0
Gross Unrealized Losses, Total	$ (84)	$ (1)
90%–100%
Available-for-sale investment securities with gross unrealized losses
Number of Securities, Less than 12 months \| security	74	5
Number of Securities, 12 months or more \| security	3	0
Number of Securities, Total \| security	77	5
Available-for-sale investment securities with gross unrealized losses and length of time
Estimated Fair Value, Less than 12 months	$ 4,287	$ 477
Estimated Fair Value, 12 months or more	52	0
Estimated Fair Value, Total	4,339	477
Available-for-sale investment securities with gross unrealized losses
Gross Unrealized Losses, Less than 12 months	(74)	(1)
Gross Unrealized Losses, 12 months or more	(1)	0
Gross Unrealized Losses, Total	$ (75)	$ (1)
Less than 90%
Available-for-sale investment securities with gross unrealized losses
Number of Securities, Less than 12 months \| security	14	0
Number of Securities, 12 months or more \| security	0	0
Number of Securities, Total \| security	14	0
Available-for-sale investment securities with gross unrealized losses and length of time
Estimated Fair Value, Less than 12 months	$ 24	$ 0
Estimated Fair Value, 12 months or more	0	0
Estimated Fair Value, Total	24	0
Available-for-sale investment securities with gross unrealized losses
Gross Unrealized Losses, Less than 12 months	(9)	0
Gross Unrealized Losses, 12 months or more	0	0
Gross Unrealized Losses, Total	$ (9)	$ 0

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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