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Income Per Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
NRG's basic and diluted (loss)/income per share NRG's basic and diluted income per share is shown in the following table:
Three months ended September 30,Nine months ended September 30,
(In millions, except per share data)2022202120222021
Basic and diluted income per share:
Net income$67 $1,618 $2,316 $2,614 
Weighted average number of common shares outstanding - basic and diluted235 245 238 245 
Income per weighted average common share — basic and diluted$0.29 $6.60 $9.73 $10.67