ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses Roll Forward by Segment (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Allowance for credit losses
Adjusted ACLL at beginning of year	$ 18,574	$ 18,145	$ 16,974
Charge-offs	(11,099)	(10,694)	(7,881)
Gross recoveries on loans	2,002	1,694	1,444
Replenishment of NCLs	9,097	9,000	6,437
Net reserve builds (releases) for loans	368	791	1,272
Net specific reserve builds (releases)	32	(65)	77
Other	273	(320)	174
ACLL at end of year	19,247	18,574	18,145
Allowance for credit losses on loans
Collectively evaluated	18,874	18,221
Individually evaluated	374	340
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	19,247	18,574	18,145
Loans, net of unearned income
Collectively evaluated	743,117	684,812
Individually evaluated	2,150	1,511
Loans held at fair value	6,855	8,040
Total	752,230	694,488
Purchased credit deteriorated assets	24	52	26
Purchased credit deteriorated
Allowance for credit losses on loans
Purchased credit deteriorated	(1)	13
Loans, net of unearned income
Purchased credit deteriorated	108	125
Corporate
Allowance for credit losses
Adjusted ACLL at beginning of year	2,556	2,714	2,855
Charge-offs	(442)	(493)	(328)
Gross recoveries on loans	77	96	78
Replenishment of NCLs	365	397	250
Net reserve builds (releases) for loans	422	(67)	(168)
Net specific reserve builds (releases)	20	(63)	39
Other	55	(28)	(12)
ACLL at end of year	3,053	2,556	2,714
Allowance for credit losses on loans
Collectively evaluated	2,730	2,254
Individually evaluated	323	302
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	3,053	2,556	2,714
Loans, net of unearned income
Collectively evaluated	334,892	292,250
Individually evaluated	2,001	1,377
Loans held at fair value	6,804	7,759
Total	343,697	301,386
Corporate \| Purchased credit deteriorated
Allowance for credit losses on loans
Purchased credit deteriorated	0	0
Loans, net of unearned income
Purchased credit deteriorated	0	0
Consumer
Allowance for credit losses
Adjusted ACLL at beginning of year	16,018	15,431	14,119
Charge-offs	(10,657)	(10,201)	(7,553)
Gross recoveries on loans	1,925	1,598	1,366
Replenishment of NCLs	8,732	8,603	6,187
Net reserve builds (releases) for loans	(54)	858	1,440
Net specific reserve builds (releases)	12	(2)	38
Other	218	(292)	186
ACLL at end of year	16,194	16,018	15,431
Allowance for credit losses on loans
Collectively evaluated	16,144	15,967
Individually evaluated	51	38
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	16,194	16,018	15,431
Loans, net of unearned income
Collectively evaluated	408,225	392,562
Individually evaluated	149	134
Loans held at fair value	51	281
Total	408,533	393,102
Consumer \| Purchased credit deteriorated
Allowance for credit losses on loans
Purchased credit deteriorated	(1)	13
Loans, net of unearned income
Purchased credit deteriorated	$ 108	$ 125
Cumulative effect of adoption
Allowance for credit losses
Adjusted ACLL at beginning of year			(352)
Allowance for credit losses on loans
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest
Cumulative effect of adoption \| Consumer
Allowance for credit losses
Adjusted ACLL at beginning of year			(352)
Allowance for credit losses on loans
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest
Adjusted balance
Allowance for credit losses
Adjusted ACLL at beginning of year			16,622
Allowance for credit losses on loans
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest
Adjusted balance \| Consumer
Allowance for credit losses
Adjusted ACLL at beginning of year			$ 13,767
Allowance for credit losses on loans
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest

Financing Receivable, Allowance For Credit Loss, Adjustments, Other

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount at par value of financing receivable purchased with credit deterioration.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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