SUPPLEMENTARY DATA QUARTERLY FINANCIAL DATA - UNAUDITED

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Supplementary Data - Quarterly Financial Data - Unaudited

SUPPLEMENTARY DATA

QUARTERLY FINANCIAL DATA – UNAUDITED

($ in millions, except per share data)	2015
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Fiscal Year
Revenues	$	3,513	$	3,689	$	3,578	$	3,706	$	14,486
Operating income	$	332	$	369	$	339	$	310	$	1,350
Net income	$	207	$	240	$	210	$	202	$	859
Diluted earnings per share	$	0.73	$	0.87	$	0.78	$	0.77	$	3.15

($ in millions, except per share data)	2014
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Fiscal Year
Revenues	$	3,293	$	3,484	$	3,460	$	3,559	$	13,796
Operating income	$	254	$	316	$	298	$	291	$	1,159
Net income	$	172	$	192	$	192	$	197	$	753
Diluted earnings per share	$	0.57	$	0.64	$	0.65	$	0.68	$	2.54