Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

	First Quarter			Second Quarter	Third Quarter	Fourth Quarter	Total
	(Dollars in millions)
2019
Operating revenue	$	2,046		2,014	2,064	2,061	8,185
Operating (loss) income	(3,393		)	272	309	285	(2,527	)
Net (loss) income	(3,585		)	110	114	160	(3,201	)

	First Quarter		Second Quarter	Third Quarter	Fourth Quarter	Total
	(Dollars in millions)
2018
Operating revenue	$	2,087	2,052	2,010	2,071	8,220
Operating income	261		196	227	284	968
Net income	62		40	88	151	341

During the first quarter of 2019, we recorded a non-cash, non-tax-deductible goodwill impairment charge of $3.7 billion for goodwill. See Note 3—Goodwill, Customer Relationships and Other Intangible Assets for further details.

In the twelve months ended December 31, 2018, we recognized a $92 million income tax expense related to the Tax Act.