Other Commitments And Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Expenses Incurred and Insurance Recoveries

The following table summarizes expenses incurred and insurance recoveries recorded since the Greater Lawrence Incident. This activity is presented within "Operation and maintenance" and "Other, net' in our Condensed Statements of Consolidated Income (unaudited).

	Total Costs Incurred through			Costs Incurred during the Three Months Ended
(in millions)	December 31, 2019			March 31, 2020		Incident to Date
Third-party claims	$	1,041		$	—	$	1,041
Other incident-related costs	420			9		429
Total	1,461			9		1,470
Insurance recoveries recorded	(800		)	—		(800		)
Total costs incurred	$	661		$	9	$	670