Consolidated Statement Of Shareholders' Equity (Unaudited) - 9 months ended Sep. 30, 2016 - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income
Excess Tax Benefit from stock issued under employee stock plans	$ 31
December 31, 2015 at Dec. 31, 2015	8,511	$ 37	$ 1,321	$ 7,792	$ (639)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	1,137
Other comprehensive income	39				39
Issuance of 1.6 million shares of common stock under stock option and benefit plans, including $31 excess income tax benefit	13		13
Repurchase of 0.1 million shares of common stock	(13)		(1)	(12)
Share-based compensation	71		71
Cash dividends declared of $1.14 per share of common stock	(426)			(426)
September 30, 2016 at Sep. 30, 2016	$ 9,332	$ 37	$ 1,404	$ 8,491	$ (600)