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Goodwill And Other Intangibles (Estimated Future Aggregate Amortization Expense) (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]    
2022 (excludes amortization through September 30, 2022) $ 86  
2023 301  
2024 283  
2025 252  
2026 234  
Subsequent years 1,247  
Net Carrying Amount $ 2,403 $ 2,810