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Held-for-Sale and Dispositions Dispositions (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Dec. 31, 2023
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Proceeds from Divestiture of Businesses and Interests in Affiliates				$ 233,000,000	$ 5,000,000
Gain (loss) on disposal and sale of businesses interests	$ (209,000,000)	$ (70,000,000)		(209,000,000)	(69,000,000)
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization	40,657,000,000			40,657,000,000		$ 37,818,000,000
JK Projects
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Assets Carrying Amount Disclosure Nonrecurring	10,000,000			10,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | JK Projects
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Gain (loss) on disposal and sale of businesses interests				(24,000,000)
Net proceeds received from sale of businesses				25,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Ventanas
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Divestiture of Business, sales price		5,000,000			5,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Dominican Republic Renewables
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Gain (loss) on disposal and sale of businesses interests					(70,000,000)
Net proceeds received from sale of businesses					100,000,000
Divestiture of Business, sales price		103,000,000			103,000,000
Retained Interest, Fair Value Disclosure		$ 37,000,000			$ 37,000,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong Subsidiary [Member]
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Disposal Group Not Discontinued Operation Ownership Interest Sold							51.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | JK Projects
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Assets Carrying Amount Disclosure Nonrecurring	0.51			0.51
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Ventanas
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Disposal Group Not Discontinued Operation Ownership Interest Sold		100.00%			100.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Dominican Republic Renewables
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Disposal Group Not Discontinued Operation Ownership Interest Sold		50.00%			50.00%
Mong Duong held-for-sale
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Impairment of Long-Lived Assets to be Disposed of	$ 0	$ 243,000,000	$ (17,000,000)	0	$ 226,000,000
Mong Duong held-for-sale | Long Lived Assets held and Used
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract]
Other Asset Impairment Charges				$ 239,000,000

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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