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Share-Based Payments - Narrative (Details) shares in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) shares
Long-Term Incentive Plan | Class A Common Stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares reserve for future issuance | shares | 116
Stock Option |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years
Unrecognized compensation cost | $ 16
Period over which unrecognized cost will be recognized, in years | 1 year 7 months 6 days
Stock Option | Minimum vesting from date of retirement eligibility |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 7 months
Stock Options Granted On or After March 1, 2022 | Vest Ratably Over Three Years |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 3 years
Stock Options Granted Before March 1, 2022 | Vest Ratably Over Four Years |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 4 years
Restricted Stock Units (RSUs) Granted On or After March 1, 2022 | Vest Ratably Over Three Years |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 3 years
Restricted Stock Units (RSUs) Granted On Or After March 1, 2020 But Before March 1, 2022 | Vest Ratably Over Four Years |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 4 years
Restricted Stock Units (RSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation cost | $ 378
Period over which unrecognized cost will be recognized, in years | 1 year 9 months 18 days
Restricted Stock Units (RSUs) | Vesting period for retirement or disability |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 7 months
Restricted Stock Units (RSUs) | Minimum vesting from date of retirement eligibility |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 7 months
Performance Shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 7 months
Unrecognized compensation cost | $ 37
Period over which unrecognized cost will be recognized, in years | 1 year 7 months 6 days
Performance Shares | Vest Ratably Over Three Years |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period | 3 years

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