Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Other	$ 8,258		$ 8,258		$ 5,695
Guarantor obligations, current carrying value	482		482
NextEra Energy Partners
Schedule of Investments [Line Items]
Guarantor obligations, current carrying value	2,700		2,700
Debt instrument, fair value disclosure	60		60
NEER [Member]
Schedule of Investments [Line Items]
Related party services	134	$ 136	520	$ 424
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]
Schedule of Investments [Line Items]
Fee income	5	$ 45	55	$ 129
Other Receivables	63		63		94
Other	114		114		101
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | NextEra Energy Partners
Schedule of Investments [Line Items]
Accounts Payable, Other	$ 92		$ 92		$ 298