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Asset Impairments (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Asset Impairments
Impairment losses on investments					$ 7	$ 102	$ 0
Asset impairment losses					36	$ 26	206
Goodwill impairment losses					15
West/Services/Other
Asset Impairments
Asset impairment losses	$ 14	$ 20
Goodwill impairment losses	15
Texas
Asset Impairments
Asset impairment losses	7	2
Goodwill impairment losses					0
East
Asset Impairments
Asset impairment losses		4	$ 43	$ 20			$ 13
Goodwill impairment losses				$ 130	0
Gladstone
Asset Impairments
Impairment losses on investments	$ 7				$ 7
Gladstone | West/Services/Other
Asset Impairments
Impairment losses on investments		$ 102

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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