Consolidated Statements Of Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Reinvested Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2013	$ 20,194	$ 6,136	$ 14,077	$ (57)	$ 38
Balance (shares) at Dec. 31, 2013		659
Comprehensive income
Net earnings	800		800		0
Other comprehensive income (loss)	(13)			(13)
Total comprehensive income	787
Cash dividends paid - $0.48 per share	(315)		(315)
Treasury stock purchases, shares		(12)
Treasury stock purchases	(493)	(493)
Stock compensation expense	33	33
Other, shares		1
Other	13	16			(3)
Balance at Jun. 30, 2014	$ 20,219	$ 5,692	$ 14,562	$ (70)	$ 35
Balance (shares) at Jun. 30, 2014		648