Income Taxes (Net Provision For Income Taxes For Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Current:
U.S. federal	$ 857		$ 892		$ 951
State	28	[1]	(9)	[1]	20	[1]
International	132		138		181
Total current	1,017		1,021		1,152
Deferred:
U.S. federal	108		(172)		87
State	1	[1]	(5)	[1]	0	[1]
International	(5)		29		(73)
Total deferred	104		(148)		14
Provision for income taxes, net	1,121		873		1,166
Net income tax payments	$ 888		$ 1,155		$ 1,083

[1] State and local income taxes allocable to U.S. government contracts are included in operating costs and expenses in the Consolidated Statements of Earnings (Loss) and, therefore, not included in the provision above.