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Share-Based Compensation Plans - Performance Share Awards Narrative (Details) - Performance-based Awards - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
PSA, vesting conditions period (in years) | 3 years |  |
Percentage of targeted amount | 100.00% |  |
Granted (in dollars per share) | $ 319 | $ 298 | $ 311
Shares issued (in shares) | 718 |  |
Fair value of PSAs vested during the period | $ 226 | $ 296 | $ 250
Unamortized deferred compensation | $ 105 |  |
Weighted average remaining amortization period (in years) | 1 year 3 months 18 days |  |
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
PSA, actual shares issued, percent | 0.00% |  |
Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
PSA, actual shares issued, percent | 200.00% |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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