INVESTMENT SECURITIES - Contractual Maturities of Debt Securities Available for Sale (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Amortized Cost
Due within one year	$ 334
Due after one year through five years	2,814
Due after five years through ten years	3,126
Due after ten years	1,251
Mortgage and asset-backed securities	7,171
Amortized Cost	14,696	$ 13,440
Fair Value
Due within one year	333
Due after one year through five years	2,680
Due after five years through ten years	2,712
Due after ten years	1,041
Mortgage and asset-backed securities	6,566
Fair Value	$ 13,332	$ 13,497

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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