Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Other	$ 7,244		$ 7,244		$ 5,695
Guarantor obligations, current carrying value	484		484
NextEra Energy Partners
Schedule of Investments [Line Items]
Guarantor obligations, current carrying value	3,800		3,800
Debt instrument, fair value disclosure	59		59
NEER [Member]
Schedule of Investments [Line Items]
Related party services	153	$ 114	386	$ 288
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]
Schedule of Investments [Line Items]
Fee income	7	$ 43	51	$ 84
Other Receivables	49		49		94
Other	115		115		101
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | NextEra Energy Partners
Schedule of Investments [Line Items]
Accounts Payable, Other	$ 43		$ 43		$ 298