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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax Disclosures [Line Items]
Effective Income Tax Rate Reconciliation, Percent	6.00%	428.00%	(2.00%)	1082.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Income Tax Expense (Benefit)	$ 28	$ 167	$ (13)	$ 184
Unrecognized tax expense, discrete items, net of allowance		$ 18	42	$ 44
Fluence [Member]
Income Tax Disclosures [Line Items]
Unrecognized tax benefit, discrete items, net of allowance			54
Cochrane Subsidiary [Member]
Income Tax Disclosures [Line Items]
Unrecognized tax benefit, discrete items, net of allowance			20
Renewables
Income Tax Disclosures [Line Items]
Unrecognized tax benefit, discrete items, net of allowance			$ 37

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