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Share-Based Compensation (RSU Activity) (Details) - RSUs - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share Based Compensation Estimated Forfeiture Rate Non Officers | 7.89% |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 1 year 8 months 12 days |  |
RSUs (Number of Shares): |  |  |
Nonvested at beginning of period | 2,043 |  |
Vested | (811) | (632) | (576)
Forfeited and expired | (174) |  |
Granted | 1,553 |  |
Nonvested at end of period | 2,611 | 2,043 |
Vested and expected to vest at end of period | 2,449 |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 28 |  |
Weighted Average Grant Date Fair Value (in dollars per share): |  |  |
Nonvested at beginning of period | $ 22.60 |  |
Vested | 23.34 |  |
Forfeited and expired | 19.77 |  |
Granted | 16.01 |  |
Nonvested at end of period | 18.64 | $ 22.60 |
Vested and expected to vest at end of period | $ 18.70 |  |
Nonvested at end of period, weighted average remaining vesting term | 1 year 7 months 17 days |  |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Related To Current Current Year Grants Per Year | $ 23 |  |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Related To Current Current Year Grants Per Year, Weighted Average Period of Amortization | 3 years |  |

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. 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