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General and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2024	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Supplier financing arrangements		$ 917	$ 974	$ 662	$ 698	$ 553
Proceeds From (Payments For) Derivative Interest		187	181	$ 239
Investment Tax Credit		555
Proceeds Investment Tax Credits		$ 480
Variable Interest Entity, Terms of Arrangements		1.7 billion
Proceeds Investment Tax Credits		$ 480
Subsequent Event [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceeds Investment Tax Credits	$ 75
Proceeds Investment Tax Credits	$ 75
Income Tax Benefit
Accumulated Other Comprehensive Income (Loss) [Line Items]
Investment Tax Credit		309	$ 26
Contribution From Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Investment Tax Credit		$ 220

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