Exit and Other Related Liabilities (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		24 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Acquisition-related exit costs incurred					$ 323
Acquisition-related Costs
Restructuring Cost and Reserve [Line Items]
Acquisition-related exit costs incurred	$ 9	$ 9	$ 29	$ 99
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected integration exit and other related costs	500		$ 500		500
Expected period of remaining costs to be incurred			12 months
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected integration exit and other related costs	$ 700		$ 700		$ 700
Expected period of remaining costs to be incurred			24 months