Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Schedule of Investments [Line Items]
Other	$ 10,436		$ 10,436		$ 9,459
Guarantor obligations, current carrying value	694		694
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	$ 234	$ 181	$ 454	$ 333
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]
Schedule of Investments [Line Items]
Other Receivables	598		598		159
Other	131		131		128
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | XPLR
Schedule of Investments [Line Items]
Accounts Payable, Other	16		16		$ 127
Service Agreements | NEER [Member] | XPLR
Schedule of Investments [Line Items]
Reimbursements, Interest and Fee Income, Other Loans	$ 214	$ 68	$ 577	$ 120