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Asset Impairments and Unusual Items (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Asset Impairments and Unusual Items
(Gain) loss from divestitures, asset impairments and unusual items, net		$ 82	$ 243	$ 62
Goodwill impairment		0	168
Contingent consideration liability increase (decrease)			(46)
Asset impairments		90	275	50
Gain (loss) on sale of assets		26		5
San Jacinto Waste Pits [Member]
Asset Impairments and Unusual Items
Revisions in estimate	$ 13	13	17	$ 17
Waste Diversion Technology Company [Member]
Asset Impairments and Unusual Items
Asset impairments		54	$ 107
Medical waste company [Member]
Asset Impairments and Unusual Items
Gain (loss) on sale of assets		$ 14