Business Combinations (Amortization) (Details) $ in Millions	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 1,997
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,096
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,174
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2,061
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 1,977