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Share-Based Compensation And Other Compensation Arrangements (Schedule Of Share-Based Plans Expense And Related Income Tax Benefit) (Details)1 - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Arrangement, Expense $ 667 $ 243 $ 217
Share-based Payment Arrangement, Expense, Tax Benefit 148 $ 53 $ 47
Share-based Payment Arrangement, Expense, Recognized in Inventories $ 173