Debt (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Outstanding debt	$ 131,835	$ 143,347
Long-Term Debt, Weighted Average Interest Rate, at Point in Time	4.20%	4.20%
Short-Term Debt, Weighted Average Interest Rate, at Point in Time		6.00%
Debt Issued in Foreign Markets
Debt Instrument [Line Items]
Outstanding debt	$ 30,685	$ 35,192