v3.25.4
Debt (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Outstanding debt $ 144,311 $ 131,835
Long-Term Debt, Weighted Average Interest Rate, at Point in Time 4.20% 4.20%
Outstanding commercial paper and other short-term borrowings $ 0 $ 0
Debt Issued in Foreign Markets    
Debt Instrument [Line Items]    
Outstanding debt $ 35,307 $ 30,685