Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]



	First Quarter		Second Quarter	Third Quarter	Fourth Quarter	Total
	(Dollars in millions)
2016
Operating revenues	$	2,253	2,223	2,226	2,208	8,910
Operating income	625		602	576	519	2,322
Income tax expense	188		179	159	152	678
Net income	304		288	255	238	1,085



	First Quarter		Second Quarter	Third Quarter	Fourth Quarter	Total
	(Dollars in millions)
2015
Operating revenues	$	2,217	2,222	2,287	2,238	8,964
Operating income	545		521	572	622	2,260
Income tax expense	167		152	171	169	659
Net income	247		238	268	321	1,074

During the fourth quarter of 2016, we recognized $78 million of severance expenses and other one-time termination benefits associated with workforce reductions.

During the third quarter of 2015, we recognized an incremental $64 million of revenue associated with the FCC's CAF Phase 2 high-cost support program (primarily impacted by the one-time transitional payment) and an additional incremental $31 million in the fourth quarter of 2015.