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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Other property and equipment, net | [1] | $ 1,465 | $ 957
Common stock, par value (in dollars per share) |  | $ 0.10 | $ 0.10
Common stock, shares authorized (in shares) |  | 1,000,000,000.0 | 1,000,000,000.0
Common stock, shares issued (in shares) |  | 677,000,000 | 382,000,000
CDM [Member] |  |  |
Other property and equipment, net |  | $ 106 | $ 102
[1] | $106 million and $102 million related to CDM in 2021 and 2020, respectively.

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