Business Combinations and Divestitures - Summary of Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions		Jun. 30, 2025	Dec. 31, 2024	Apr. 05, 2024
Liabilities:
Goodwill		$ 3,777	$ 3,767
Blue Water Industries LLC
Assets:
Inventories				$ 47
Property, plant and equipment	[1]			2,052
Intangible assets, other than goodwill				19
Other assets				2
Total Assets				2,120
Liabilities:
Deferred income taxes				234
Asset retirement obligations				3
Other liabilities				95
Total liabilities				332
Net identifiable assets acquired				1,788
Goodwill				262
Total consideration				$ 2,050

[1] Includes mineral reserves of $1.9 billion.