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Condensed Consolidated Balance Sheet (Parenthetical) - USD ($) shares in Millions, $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Condensed Consolidated Balance Sheet (Parenthetical) [Abstract] |  |
Accumulated depreciation, property and equipment | $ 15,249 | $ 14,279
Common stock, shares outstanding | 435 | 434
Common stock, shares authorized | 1,200 | 1,200
Common stock, par value | $ 0.01 | $ 0.01

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