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Subsequent Events (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Billions
12 Months Ended
Feb. 06, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Feb. 07, 2023
Subsequent Event [Line Items]          
Dividends declared per share of Common Stock (in dollars per share)   $ 5.00 $ 4.80 $ 4.60  
Under February 2023 Board Of Directors Authorization          
Subsequent Event [Line Items]          
Stock Repurchase Program, Authorized Amount         $ 1.0
Subsequent Event          
Subsequent Event [Line Items]          
Dividends declared per share of Common Stock (in dollars per share) $ 1.30