Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Reconciliation Of PG&E Corporation's Income Available For Common Shareholders And Weighted Average Shares Of Common Stock Outstanding For Calculating Basic and Diluted EPS

	Year Ended December 31,
(in millions, except per share amounts)	2017		2016		2015
Income available for common shareholders	$	1,646	$	1,393	$	874
Weighted average common shares outstanding, basic		512		499		484
Add incremental shares from assumed conversions:
Employee share-based compensation		1		2		3
Weighted average common share outstanding, diluted		513		501		487
Total earnings per common share, diluted	$	3.21	$	2.78	$	1.79