Condensed Consolidated Statements Of Stockholders' Equity (Unaudited) (USD $) In Millions, unless otherwise specified	Total	Common Stock and Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests
Balance at Dec. 31, 2013	$ 3,689	$ 3,521	$ (2,287)	$ 2,425	$ 30
Balance (in shares) at Dec. 31, 2013		255.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	951			951
Net unrealized gains on securities, net of tax of $(2)	2		2
Foreign currency translation adjustments, net of tax of $(4)	15		15
Amortization of retirement benefit adjustments, net of tax of $11	(24)		24
Issuance of common stock and stock options exercised		44
Issuance of common stock and stock options exercised (in shares)		3.6
Share repurchase program		(473)
Share repurchase program (in shares)		(7.1)
Excess tax benefit from share-based compensation		6
Share-based compensation expense		67
Net loss on derivative hedging instruments, net of tax of $–	1		1
Dividends declared				(157)
Balance at Jun. 28, 2014	$ 4,169	$ 3,165	$ (2,245)	$ 3,219	$ 30
Balance (in shares) at Jun. 28, 2014		252.0