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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Other property and equipment, net	[1]	$ 1,583	$ 1,539
Common stock, par value (in dollars per share)		$ 0.10	$ 0.10
Common stock, shares authorized (in shares)		1,000.0	1,000.0
Common stock, shares issued (in shares)		645.0	653.0
Treasury Stock, Shares		0.6
CDM [Member]
Other property and equipment, net		$ 112	$ 109
[1] $112 million and $109 million related to CDM in 2023 and 2022, respectively.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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