Consolidated Statements Of Shareholders' Equity (USD $) In Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income
Balances at Dec. 31, 2010	$ 7,174	$ 39	$ 964	$ 6,017	$ 154
Net earnings	1,345			1,345
Other comprehensive loss	(10)				(10)
Issuance of shares of common stock under stock option and benefit plans, including excess income tax benefit	13		13
Repurchase and retirement of common stock	(622)	(1)	(30)	(591)
Share-based compensation	75		75
Cash dividends declared of common stock	(292)			(292)
Balances at Dec. 31, 2011	7,683	38	1,022	6,479	144
Net earnings	1,298			1,298
Other comprehensive loss	(15)				(15)
Issuance of shares of common stock under stock option and benefit plans, including excess income tax benefit	7		7
Repurchase and retirement of common stock	(108)		(6)	(102)
Share-based compensation	75		75
Cash dividends declared of common stock	(343)			(343)
Balances at Dec. 31, 2012	8,597	38	1,098	7,332	129
Net earnings	1,006			1,006
Other comprehensive loss	103				103
Issuance of shares of common stock under stock option and benefit plans, including excess income tax benefit	(1)		(1)
Repurchase and retirement of common stock	(317)		(13)	(304)
Share-based compensation	76		76
Cash dividends declared of common stock	(417)			(417)
Balances at Dec. 31, 2013	$ 9,047	$ 38	$ 1,160	$ 7,617	$ 232