Business Combinations (Amortization) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Amortization of Intangible Assets	$ 1,957	$ 2,439	$ 2,125
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	2,082
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,203
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,086
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2,002
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 1,882