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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Schedule of Investments [Line Items]
Other	$ 12,404		$ 12,404		$ 11,104
Guarantor obligations, current carrying value	849		849
XPLR
Schedule of Investments [Line Items]
Guarantor obligations, current carrying value	1,700		1,700
Debt instrument, fair value disclosure	$ 57		$ 57
XPLR OpCo \| Contracted Renewable Energy Assets and Contracted Natural Gas Pipeline
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	52.40%		52.40%
NEER [Member]
Schedule of Investments [Line Items]
Related party services	$ 303	$ 222	$ 879	$ 676
Cash Sweep And Credit Support Agreement [Member] \| NEER [Member]
Schedule of Investments [Line Items]
Other Receivables	178		178		498
Other	170		170		$ 183
Service Agreements \| NEER [Member] \| XPLR
Schedule of Investments [Line Items]
Service agreements costs	$ 20	$ 334	$ 120	$ 911