Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Other	$ 8,746		$ 8,746		$ 7,704
Guarantor obligations, current carrying value	682		682
NextEra Energy Partners
Schedule of Investments [Line Items]
Guarantor obligations, current carrying value	1,800		1,800
Debt instrument, fair value disclosure	59		59
NEER [Member]
Schedule of Investments [Line Items]
Related party services	192	$ 134	525	$ 520
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]
Schedule of Investments [Line Items]
Fee income	5	$ 5	14	$ 55
Other Receivables	106		106		84
Other	127		127		114
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | NextEra Energy Partners
Schedule of Investments [Line Items]
Accounts Payable, Other	$ 51		$ 51		$ 1,511