CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Total property, plant and equipment - net	$ 83,873	$ 82,010
Customer receivables, allowances	19	19
Long-term debt	41,116	37,543
Current portion of long-term debt	$ 2,489	$ 2,124
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	800,000,000	800,000,000
Common stock, shares, outstanding (in shares)	489,000,000	489,000,000
Related to VIEs [Member]
Total property, plant and equipment - net	$ 11,916	$ 11,893
Noncontrolling interest in variable interest entity	4,467	4,350
Long-term debt	490	498
Current portion of long-term debt	27	27
FPL [Member]
Customer receivables, allowances	5	3
Long-term debt	15,401	14,131
Current portion of long-term debt	$ 21	$ 30
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	1,000	1,000
Common stock, shares, outstanding (in shares)	1,000	1,000
Common stock, shares, issued (in shares)	1,000	1,000