v3.26.3
Debt - Assets and Liabilities Related to Asset-backed Debt Arrangements (Detail) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Prepaid expenses and other $ 7,876 $ 8,336
Other assets 21,253 23,248
Accounts payable and accrued liabilities 22,018 24,981
Debt maturing within one year 23,889 18,618
Long-term debt 142,344 139,532
Variable Interest Entity, Primary Beneficiary    
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Accounts receivable, net 19,102 18,421
Prepaid expenses and other 172 298
Other assets 12,193 11,753
Accounts payable and accrued liabilities 38 34
Debt maturing within one year 17,516 14,863
Long-term debt $ 12,568 $ 12,204