Consolidated Statements of Shareholders' Equity (unaudited) (USD $) In Millions	Total	Common Stock		Additional Paid in Capital		Accumulated Other Comprehensive Loss	Treasury Stock at Cost	Retained Earnings
Balance at Beginning of Period at Dec. 31, 2012	$ 8,258	$ 4		$ 3,302		$ (113)	$ (648)	$ 5,713
Net Income	261	0		0		0	0	261
Stock-based Compensation	18	0		18		0	0	0
Exercise of Stock Options	22	0		22		0	0	0
Tax Benefits Related to Exercise of Stock Options	9	0		9		0	0	0
Dividends	(44)	0		0		0	0	(44)
Changes in Treasury Stock, Net	(14)	0		0		0	(14)	0
Net Change in Pension and Other	4	0		0		4	0	0
Balance at End of Period at Mar. 31, 2013	8,514	4	[1]	3,351	[1]	(109)	(662)	5,930
Balance at Beginning of Period at Dec. 31, 2013	9,184	4		3,463		(117)	(659)	6,493
Net Income	200	0		0		0	0	200
Stock-based Compensation	23	0		23		0	0	0
Exercise of Stock Options	10	0		10		0	0	0
Tax Benefits Related to Exercise of Stock Options	6	0		6		0	0	0
Dividends	(50)	0		0		0	0	(50)
Changes in Treasury Stock, Net	(15)	0		0		0	(15)	0
Net Change in Pension and Other	3	0		0		3	0	0
Balance at End of Period at Mar. 31, 2014	$ 9,361	$ 4		$ 3,502		$ (114)	$ (674)	$ 6,643

[1] Amounts reflect impact of 2-for-1 stock split which occurred during the second quarter of 2013.