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Equity and Share-Based Compensation | 9 Months Ended
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Sep. 30, 2025
Equity [Abstract] |
Equity and Share-Based Compensation | Equity and Share-Based Compensation Weighted-Average Common Shares Outstanding
| Three Months Ended September 30, | Nine Months Ended September 30,
(in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Weighted-average number of common shares outstanding – basic | 3,679 |  |  | 3,861 |  |  | 3,722 |  |  | 3,908 |
Effect of dilutive securities | 10 |  |  | 18 |  |  | 11 |  |  | 22 |
Weighted-average number of common shares outstanding – diluted | 3,689 |  |  | 3,880 |  |  | 3,733 |  |  | 3,930 |
Antidilutive securities | 223 |  |  | 188 |  |  | 230 |  |  | 193 |
Weighted-average common shares outstanding used in calculating diluted earnings per common share attributable to Comcast Corporation shareholders (“diluted EPS”) considers the impact of potentially dilutive securities using the treasury stock method. Antidilutive securities represent the number of potential common shares related to share-based compensation awards that were excluded from diluted EPS because their effect would have been antidilutive. Accumulated Other Comprehensive Income (Loss)
(in millions) | September 30, 2025 |  | December 31, 2024
Cumulative translation adjustments | $ | (364) |  |  | $ | (2,474) |
Deferred gains (losses) on cash flow hedges | 45 |  |  | 106 |
Unrecognized gains (losses) on employee benefit obligations and other | 228 |  |  | 325 |
Accumulated other comprehensive income (loss), net of deferred taxes | $ | (90) |  |  | $ | (2,043) |
Share-Based Compensation Our share-based compensation plans consist primarily of awards of restricted share units (“RSUs”) and stock options to certain employees and directors as part of our long-term incentive compensation structure. Additionally, through our employee stock purchase plans, employees are able to purchase shares of our common stock at a discount through payroll deductions. In March 2025, we granted 40 million RSUs and 1 million stock options under our annual management awards program. The weighted-average fair values associated with these grants were $35.78 per RSU and $7.21 per stock option. During the three months ended September 30, 2025 and 2024, share-based compensation expense recognized in our condensed consolidated statements of income was $269 million and $247 million, respectively. During the nine months ended September 30, 2025 and 2024, share-based compensation expense recognized in our condensed consolidated statements of income was $859 million and $811 million, respectively. As of September 30, 2025, we had unrecognized pretax compensation expense of $2.4 billion related to unvested RSUs and unvested stock options.

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