Variable Interest Entity (Details 2) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 2,042	$ 1,982	$ 1,406	$ 1,614
Other current assets (amount related to VIE—2026: $0, 2025: $1)	229	27
Property, plant and equipment—net	6,724	6,715
Other assets (amount related to VIE—2026: $3, 2025: $1)	1,099	980
Total assets	14,608	14,088
Accounts payable and accrued expenses	613	681
Other liabilities	340	337
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	254	130
Other current assets (amount related to VIE—2026: $0, 2025: $1)	0	1
Property, plant and equipment—net	410	361
Other assets (amount related to VIE—2026: $3, 2025: $1)	3	1
Total assets	667	493
Accounts payable and accrued expenses	36	52
Other liabilities	1	1
Total liabilities	$ 37	$ 53