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Equity (Compensation Expense Related to Stock-Based Compensation - Related to Phantom Stock-Based Awards) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation Expense | $ 184 | $ 173 | $ 127
Income tax benefit | 39 | 36 | 27
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation Expense | 7 | 9 | 6
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation Expense | 108 | 98 | 63
Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation Expense | $ 69 | $ 66 | $ 58

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