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Disposal Group, Including Discontinued Operation, Equity Interests Issued And Issuable, Number Of Shares

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Equity Securities, FV-NI, Ownership Percentage

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Equity Securities, FV-NI, Shares

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Proceeds From Sale Of Debt Securities, Available For Sale And Equity Securities, FV-NI

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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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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Amount of accumulated unrealized loss on 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 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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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 unrealized loss position without allowance for credit loss.

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of investment in equity security without readily determinable fair value.

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Amount of impairment loss on investment in equity security without readily determinable fair value.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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INVESTMENT SECURITIES - Narrative (Details) - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
	Nov. 01, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued interest, current		$ 454		$ 454		$ 415
Debt securities in unrealized loss position, total		22,173		22,173		3,446
Debt securities in unrealized loss position, 12 months or more		1,679		1,679		644
Gross unrealized losses, 12 months or more		(380)		(380)		(42)
Gross unrealized losses		(3,602)		(3,602)		(92)
Net unrealized gains (losses) recorded to earnings		(139)	$ 405	(1,989)	$ 1,051
Proceeds from investment securities sales and early redemptions by issuers		693	1,745	6,116	4,695
Debt securities, realized gain			16	34	59
Debt securities, realized losses and impairments		(14)		(29)	(10)
Equity securities without readily determinable fair values		728		728		441
Fair value adjustments, including impairment				20	34
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities with a fair value		5,954		5,954		7,222
AerCap
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities, ownership percentage	46.00%
Net unrealized gains (losses) recorded to earnings		$ 138	$ 0	$ (2,669)	$ 0
Baker Hughes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities, remaining interest (in shares)		33.1		33.1
Equity securities, ownership percentage		3.00%		3.00%
Discontinued operations \| GECAS
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Consideration, stock transaction (in shares)	111.5
U.S. corporate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross unrealized losses		$ (2,571)		$ (2,571)		$ (33)
CMBS
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross unrealized losses		(162)		(162)
Asset-backed securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross unrealized losses		$ (118)		$ (118)