Restructuring Costs (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	$ 660
Costs incurred in other restructuring	276	$ 301
Severance and Lease Exit Charges
Restructuring Cost and Reserve [Line Items]
Costs incurred in other restructuring	$ 221