Borrowed Funds (Remaining Maturity) (Details) $ in Millions	Jun. 30, 2023 USD ($)
Debt Disclosure [Abstract]
Less than 1 year	$ 7,487
1 to 2 years	26,319
2 to 3 years	11,611
3 to 4 years	3,492
4 to 5 years	1,805
Over 5 years	14,670
Total	$ 65,384

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