Asset Acquisition of a VIE, Contingent Consideration, Remeasurement Gain

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Fair Value Measurement Inputs, Nonrecurring

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Amount of contingent consideration recognized as part of consideration transferred in asset acquisition.

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Amount of indemnification asset recognized at acquisition date in asset acquisition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Acquisitions (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Agua Clara
Business Acquisition [Line Items]
Asset Acquisition, Indemnification Asset, Amount		$ 98		$ 98
Tunica Windpower LLC
Business Acquisition [Line Items]
Asset Acquisition, Indemnification Asset, Amount		22		22
Windor Solar
Business Acquisition [Line Items]
Asset Acquisition, Indemnification Asset, Amount		17		17
Bellefield
Business Acquisition [Line Items]
Asset Acquisition, Indemnification Asset, Amount	$ 402		$ 402
Bolero Solar Park
Business Acquisition [Line Items]
Asset Acquisition, Indemnification Asset, Amount	114		114
Other Income [Member]
Business Acquisition [Line Items]
Asset Acquisition of a VIE, Contingent Consideration, Remeasurement Gain	$ 0	$ 3	0	3
Windor Solar
Business Acquisition [Line Items]
Asset Acquisition, Consideration Transferred, Contingent Consideration				5
Tunica Windpower LLC
Business Acquisition [Line Items]
Asset Acquisition, Consideration Transferred, Contingent Consideration				$ 7
Bellefield
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross			449
Payments to Acquire Businesses, Net of Cash Acquired			164
Other Payments to Acquire Businesses			28
Asset Acquisition, Consideration Transferred, Contingent Consideration			$ 210
Bellefield \| Weighted Average [Member]
Business Acquisition [Line Items]
Fair Value Measurement Inputs, Nonrecurring			90.40%
Windor Solar
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%		100.00%
Agua Clara
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%		100.00%
Tunica Windpower LLC
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%		100.00%
Bellefield
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100000000.00%		100000000.00%
Bolero Solar Park
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100000000.00%		100000000.00%