Variable Interest Entities - VIEs of Which We Are Not the Primary Beneficiary (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Payments to Acquire Equity Method Investments		$ 2,323	$ 2,733	$ 738
Proceeds from Equity Method Investment, Distribution, Return of Capital		$ 1,465	1	$ 0
Blue Oval SK LLC
Variable Interest Entity [Line Items]
Equity Method Investment, Ownership Percentage		50.00%
Equity Method Investment, Committed Capital, Expected Timing of Satisfaction, Period		2 years
Proceeds from Equity Method Investment, Distribution, Return of Capital		$ 1,400
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		4,100
Blue Oval SK LLC | U.S. Department Of Energy (DoE)
Variable Interest Entity [Line Items]
Line of Credit Facility Entered Into By Equity Method Investee		9,600
Blue Oval SK LLC | Subsequent Event [Member]
Variable Interest Entity [Line Items]
Proceeds from Equity Method Investment, Distribution, Return of Capital	$ 1,700
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 2,400
Blue Oval SK LLC | Maximum
Variable Interest Entity [Line Items]
Equity Method Investment, Committed Capital		6,600
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Total maximum exposure		9,300	3,700
Guarantor Obligations, Maximum Exposure, Undiscounted		$ 4,900	$ 125