DEBT - Short-Term Borrowings (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Short-term Debt [Line Items] | ||
| Commercial paper | $ 27,647 | $ 19,941 |
| Other borrowings | 41,331 | 31,937 |
| Total short-term borrowings | 68,978 | 51,878 |
| Collateralized short-term advances from Federal Home Loan Bank | 8,000 | 6,000 |
| Bank | ||
| Short-term Debt [Line Items] | ||
| Commercial paper | 11,900 | 10,050 |
| Broker-dealer and other | ||
| Short-term Debt [Line Items] | ||
| Commercial paper | $ 15,747 | $ 9,891 |
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|