Unsecured Borrowings - Unsecured Long-Term Borrowings by Maturity Date (Detail) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Total | $ 315,426 | $ 285,500 |
| Adjustment related to interest rate hedges on certain unsecured long-term borrowings | (8,130) | |
| 2027 | (267) | |
| 2028 | (517) | |
| 2029 | (718) | |
| 2030 | (645) | |
| 2031 | (147) | |
| 2032 - thereafter | (5,840) | |
| Unsecured Debt | ||
| Debt Instrument [Line Items] | ||
| 2027 | 36,495 | |
| 2028 | 39,709 | |
| 2029 | 44,810 | |
| 2030 | 31,870 | |
| 2031 | 31,295 | |
| 2032 - thereafter | 131,247 | |
| Total | $ 315,426 |
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings. No definition available.
|
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings maturing after year five following the current fiscal year. No definition available.
|
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings maturing during year five following the current fiscal year. No definition available.
|
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings maturing during year four following the current fiscal year. No definition available.
|
| X | ||||||||||
- Definition Amount Related To Interest Rate Hedges On Certain Unsecured Long Term Borrowings Maturing In Year One No definition available.
|
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings maturing during year three following the current fiscal year. No definition available.
|
| X | ||||||||||
- Definition Amount related to interest rate hedges on certain unsecured long-term borrowings maturing during year two following the current fiscal year. No definition available.
|
| 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 | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth 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://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second 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://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|