v3.25.4
Variable Interest Entities (Details) - USD ($)
$ in Millions
Feb. 04, 2026
Dec. 31, 2025
Dec. 31, 2024
Variable Interest Entity [Line Items]      
Assets not available for use   $ 595,281 $ 450,256
Liabilities with no recourse   180,016 125,172
Noncontrolling interest   3,400 4,200
Redeemable noncontrolling interest   841 1,100
Future funding commitments   1,100 1,500
Variable Interest Entity, Primary Beneficiary | Waymo | Subsequent Event      
Variable Interest Entity [Line Items]      
Funds committed $ 16,000    
Variable Interest Entity, Primary Beneficiary | Nonrecourse      
Variable Interest Entity [Line Items]      
Liabilities with no recourse   2,000 2,300
Variable Interest Entity, Primary Beneficiary | Asset Pledged as Collateral      
Variable Interest Entity [Line Items]      
Assets not available for use   $ 5,600 $ 8,700