Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Schedule of Investments [Line Items]
Other	$ 10,903		$ 10,903		$ 9,459
Guarantor obligations, current carrying value	864		864
XPLR
Schedule of Investments [Line Items]
Guarantor obligations, current carrying value	1,700		1,700
Debt instrument, fair value disclosure	$ 58		$ 58
XPLR OpCo | Contracted Renewable Energy Assets and Contracted Natural Gas Pipeline
Schedule of Investments [Line Items]
Equity method investment, ownership percentage	52.50%		52.50%
NEER [Member]
Schedule of Investments [Line Items]
Related party services	$ 222	$ 192	$ 676	$ 525
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]
Schedule of Investments [Line Items]
Other Receivables	370		370		159
Other	130		130		128
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | XPLR
Schedule of Investments [Line Items]
Accounts Payable, Other	13		13		$ 127
Service Agreements | NEER [Member] | XPLR
Schedule of Investments [Line Items]
Reimbursements, Interest and Fee Income, Other Loans	$ 334	$ 70	$ 911	$ 190