Asset Impairment Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 46	$ 20
Other Asset Impairment Charges	46	20
Impairment expense	$ 46	20
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Jordan (IPP1 & IPP4)
Asset Impairment Expense [Line Items]
Disposal Group Not Discontinued Operation Ownership Interest Sold	26.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong held-for-sale
Asset Impairment Expense [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	$ 410
Disposal Group Not Discontinued Operation Ownership Interest Sold	51.00%
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Mong Duong Financing SPV
Asset Impairment Expense [Line Items]
Disposal Group Not Discontinued Operation Ownership Interest Sold	51.00%
Other Subsidiaries [Member]
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 9	6
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member]
Asset Impairment Expense [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		179
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	0	14
Jordan (IPP1 & IPP4) | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Asset Impairment Expense [Line Items]
Assets Carrying Amount Disclosure Nonrecurring		0
Mong Duong held-for-sale
Asset Impairment Expense [Line Items]
Impairment of Long-Lived Assets to be Disposed of	37	$ 0
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member]
Asset Impairment Expense [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	450
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member]
Asset Impairment Expense [Line Items]
Other Asset Impairment Charges	37
Mong Duong held-for-sale | Long Lived Assets Held And Used [Member] | Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Asset Impairment Expense [Line Items]
Assets Carrying Amount Disclosure Nonrecurring	$ 0