Contingencies - Tax Assessment (Details) - Foreign Tax Authority - Mexican Tax Authority - Tax Year 2014 $ in Millions, $ in Millions		3 Months Ended
	Aug. 15, 2024 motion	Mar. 31, 2025 MXN ($)	Mar. 31, 2025 CAD ($)
Loss Contingencies [Line Items]
Tax assessment amount		$ 6,372	$ 451
Number of motions submitted	2