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Goodwill and Other Intangibles (Estimated Future Aggregate Amortization Expense) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]    
2023 $ 327  
2024 307  
2025 274  
2026 253  
2027 249  
Subsequent years 1,127  
Net Carrying Amount $ 2,537 $ 2,810